diff --git a/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.dockerfile b/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.dockerfile
index 8938524..75ac856 100644
--- a/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
+FROM ghcr.io/boldsoftware/sketch:82c32883426c519eada7250c0017e6b7
 
 ARG GIT_USER_EMAIL
 ARG GIT_USER_NAME
@@ -7,7 +7,7 @@
     git config --global user.name "$GIT_USER_NAME" && \
     git config --global http.postBuffer 524288000
 
-LABEL sketch_context="36e4db4d24da7f95d8bf1a3a97378381619077dbd3cb62163e2823ad2e97d286"
+LABEL sketch_context="b0ea3946bf71afcf3ab66a04750a8cc0e3c73e5395cadc8511bfdd7577d92bf5"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
diff --git a/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.httprr b/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.httprr
index d6a531c..7585dd2 100644
--- a/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-5477 1684
+5645 1862
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5280
+Content-Length: 5448
 Anthropic-Version: 2023-06-01
 Content-Type: application/json
 
@@ -15,7 +15,7 @@
    "content": [
     {
      "type": "text",
-     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\nHere is the content of several files from the repository that may be relevant:\n\n"
+     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tmake python3-pip python-is-python3 tree net-tools file build-essential \\\n\t\tpipx cargo psmisc bsdmainutils openssh-client sudo \\\n\t\tunzip yarn util-linux \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\nHere is the content of several files from the repository that may be relevant:\n\n"
     },
     {
      "type": "text",
@@ -53,25 +53,25 @@
 }HTTP/2.0 200 OK
 Anthropic-Organization-Id: 3c473a21-7208-450a-a9f8-80aebda45c1b
 Anthropic-Ratelimit-Input-Tokens-Limit: 200000
-Anthropic-Ratelimit-Input-Tokens-Remaining: 146000
-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-06-18T17:33:11Z
+Anthropic-Ratelimit-Input-Tokens-Remaining: 193000
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-07-03T02:23:13Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-06-18T17:32:57Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-07-03T02:23:13Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-06-18T17:32:53Z
+Anthropic-Ratelimit-Requests-Reset: 2025-07-03T02:23:07Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
-Anthropic-Ratelimit-Tokens-Remaining: 226000
-Anthropic-Ratelimit-Tokens-Reset: 2025-06-18T17:32:57Z
+Anthropic-Ratelimit-Tokens-Remaining: 273000
+Anthropic-Ratelimit-Tokens-Reset: 2025-07-03T02:23:13Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 951c87548cb7d8a7-SJC
+Cf-Ray: 9592eb48cb85cee1-SJC
 Content-Type: application/json
-Date: Wed, 18 Jun 2025 17:32:57 GMT
-Request-Id: req_011CQG5zaWZXoekYBba7BGPB
+Date: Thu, 03 Jul 2025 02:23:13 GMT
+Request-Id: req_011CQjHkXgG2Uc4QD8k12R2Q
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01QFxJ9tBG9Mpg2DS6XdXcVE","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"Based on the repository content, this appears to be a simple Go test project. Since it's a straightforward Go project and the base Dockerfile template already includes comprehensive Go tooling and environment setup, no additional extra commands are needed."},{"type":"tool_use","id":"toolu_014w9FdQyzuGDmrHtTSFmnPQ","name":"dockerfile","input":{"extra_cmds":""}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1842,"cache_read_input_tokens":0,"output_tokens":100,"service_tier":"standard"}}
\ No newline at end of file
+{"id":"msg_01G8z6Lki9yGBu44HZZ2Zzvw","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"Looking at the repository content, this appears to be a simple Go test project. The base Dockerfile template already includes comprehensive Go development environment setup with Go 1.24, common development tools, and Chrome/Chromium support.\n\nSince this is a straightforward Go project with minimal requirements based on the simple README, no additional setup commands are needed beyond what's already provided in the base template."},{"type":"tool_use","id":"toolu_018sfw6Wi4Xp4QMUgzSxeqNq","name":"dockerfile","input":{"extra_cmds":""}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1893,"cache_read_input_tokens":0,"output_tokens":134,"service_tier":"standard"}}
\ No newline at end of file
diff --git a/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile b/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
index 4ae853e..8934292 100644
--- a/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
+FROM ghcr.io/boldsoftware/sketch:82c32883426c519eada7250c0017e6b7
 
 ARG GIT_USER_EMAIL
 ARG GIT_USER_NAME
@@ -7,7 +7,7 @@
     git config --global user.name "$GIT_USER_NAME" && \
     git config --global http.postBuffer 524288000
 
-LABEL sketch_context="2811549d4dc8d74da6b1b59d0918b0ed8014f7c662d80ec75b6e5f75dba599c3"
+LABEL sketch_context="69b535ce4ef4f44fc2994d9f117ccf1285b86ed626681c65c4c556e213cdc2f3"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,7 +17,7 @@
 # Switch to lenient shell so we are more likely to get past failing extra_cmds.
 SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
 
-RUN go mod tidy || true
+RUN pip install --break-system-packages requests || true
 
 # Switch back to strict shell after extra_cmds.
 SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
diff --git a/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr b/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr
index 3d3e6e3..875e4ad 100644
--- a/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-5230 1692
+5398 1683
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5033
+Content-Length: 5201
 Anthropic-Version: 2023-06-01
 Content-Type: application/json
 
@@ -15,7 +15,7 @@
    "content": [
     {
      "type": "text",
-     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\n"
+     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tmake python3-pip python-is-python3 tree net-tools file build-essential \\\n\t\tpipx cargo psmisc bsdmainutils openssh-client sudo \\\n\t\tunzip yarn util-linux \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\n"
     },
     {
      "type": "text",
@@ -49,25 +49,25 @@
 }HTTP/2.0 200 OK
 Anthropic-Organization-Id: 3c473a21-7208-450a-a9f8-80aebda45c1b
 Anthropic-Ratelimit-Input-Tokens-Limit: 200000
-Anthropic-Ratelimit-Input-Tokens-Remaining: 145000
-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-06-18T17:33:25Z
+Anthropic-Ratelimit-Input-Tokens-Remaining: 195000
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-07-03T02:23:27Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-06-18T17:33:11Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-07-03T02:23:27Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-06-18T17:33:07Z
+Anthropic-Ratelimit-Requests-Reset: 2025-07-03T02:23:24Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
-Anthropic-Ratelimit-Tokens-Remaining: 225000
-Anthropic-Ratelimit-Tokens-Reset: 2025-06-18T17:33:11Z
+Anthropic-Ratelimit-Tokens-Remaining: 275000
+Anthropic-Ratelimit-Tokens-Reset: 2025-07-03T02:23:27Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 951c87a92fd4d8a7-SJC
+Cf-Ray: 9592ebaf3e27cee1-SJC
 Content-Type: application/json
-Date: Wed, 18 Jun 2025 17:33:11 GMT
-Request-Id: req_011CQG61aSsR79iRDfGbAhUv
+Date: Thu, 03 Jul 2025 02:23:27 GMT
+Request-Id: req_011CQjHmjwEc8WR1R9czxg4J
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01PbDDq13bXQ6FMcE2pZq4q3","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"I'll create a Dockerfile for this Go project. Since this appears to be a straightforward Go project and the base template already includes comprehensive Go tooling, Python support, and development tools, I'll keep the extra commands minimal."},{"type":"tool_use","id":"toolu_01RC5S1bNQSauTmMv42tWu5Y","name":"dockerfile","input":{"extra_cmds":"RUN go mod tidy || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1798,"cache_read_input_tokens":0,"output_tokens":109,"service_tier":"standard"}}
\ No newline at end of file
+{"id":"msg_017MdDq5NfaUrpJaQ8t52MNi","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"I'll create a Dockerfile for this Go project. Since this appears to be a straightforward Go project and the base template already includes comprehensive tooling, I'll keep the extra commands minimal."},{"type":"tool_use","id":"toolu_01EZhm1tjFsVjaJNFVWmyfUt","name":"dockerfile","input":{"extra_cmds":"RUN pip install --break-system-packages requests || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1849,"cache_read_input_tokens":0,"output_tokens":106,"service_tier":"standard"}}
\ No newline at end of file
diff --git a/dockerimg/testdata/testcreatedockerfile_mention_a_devtool_in_the_readme.dockerfile b/dockerimg/testdata/testcreatedockerfile_mention_a_devtool_in_the_readme.dockerfile
index ca7f139..20345bc 100644
--- a/dockerimg/testdata/testcreatedockerfile_mention_a_devtool_in_the_readme.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_mention_a_devtool_in_the_readme.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
+FROM ghcr.io/boldsoftware/sketch:82c32883426c519eada7250c0017e6b7
 
 ARG GIT_USER_EMAIL
 ARG GIT_USER_NAME
@@ -7,7 +7,7 @@
     git config --global user.name "$GIT_USER_NAME" && \
     git config --global http.postBuffer 524288000
 
-LABEL sketch_context="0c9eac29201cabe4f70101541c2f254d4c3f0a30cee640979a7310cd10cabeeb"
+LABEL sketch_context="ce6ac178288b581a0150d5a276672839472977f9ac3451cfb682d5f29d9cfd06"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,7 +17,7 @@
 # Switch to lenient shell so we are more likely to get past failing extra_cmds.
 SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
 
-RUN apt-get update && apt-get install -y --no-install-recommends graphviz || true && apt-get clean && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y --no-install-recommends graphviz || true
 
 # Switch back to strict shell after extra_cmds.
 SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
diff --git a/dockerimg/testdata/testcreatedockerfile_mention_a_devtool_in_the_readme.httprr b/dockerimg/testdata/testcreatedockerfile_mention_a_devtool_in_the_readme.httprr
index dc36029..b84afc0 100644
--- a/dockerimg/testdata/testcreatedockerfile_mention_a_devtool_in_the_readme.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_mention_a_devtool_in_the_readme.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-5492 1744
+5660 1482
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5295
+Content-Length: 5463
 Anthropic-Version: 2023-06-01
 Content-Type: application/json
 
@@ -15,7 +15,7 @@
    "content": [
     {
      "type": "text",
-     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\nHere is the content of several files from the repository that may be relevant:\n\n"
+     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tmake python3-pip python-is-python3 tree net-tools file build-essential \\\n\t\tpipx cargo psmisc bsdmainutils openssh-client sudo \\\n\t\tunzip yarn util-linux \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\nHere is the content of several files from the repository that may be relevant:\n\n"
     },
     {
      "type": "text",
@@ -54,24 +54,24 @@
 Anthropic-Organization-Id: 3c473a21-7208-450a-a9f8-80aebda45c1b
 Anthropic-Ratelimit-Input-Tokens-Limit: 200000
 Anthropic-Ratelimit-Input-Tokens-Remaining: 200000
-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-06-18T17:33:04Z
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-07-03T02:23:23Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-06-18T17:33:07Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-07-03T02:23:23Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-06-18T17:33:02Z
+Anthropic-Ratelimit-Requests-Reset: 2025-07-03T02:23:21Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
 Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-06-18T17:33:04Z
+Anthropic-Ratelimit-Tokens-Reset: 2025-07-03T02:23:23Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 951c878d2e7ad8a7-SJC
+Cf-Ray: 9592eb9d9eeecee1-SJC
 Content-Type: application/json
-Date: Wed, 18 Jun 2025 17:33:07 GMT
-Request-Id: req_011CQG61FEiZSeJZvjq71UWf
+Date: Thu, 03 Jul 2025 02:23:23 GMT
+Request-Id: req_011CQjHmXswmoBa2Dw3R3DJf
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01QC2yhCA14csFcMzagSRJYP","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"Based on the repository content, I can see this is a Go project that requires the `dot` tool (from Graphviz) to run tests. I'll create a minimal Dockerfile that installs this requirement."},{"type":"tool_use","id":"toolu_019exWzPE6rC6c9k1rdsC9br","name":"dockerfile","input":{"extra_cmds":"RUN apt-get update && apt-get install -y --no-install-recommends graphviz || true && apt-get clean && rm -rf /var/lib/apt/lists/*"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1847,"cache_read_input_tokens":0,"output_tokens":142,"service_tier":"standard"}}
\ No newline at end of file
+{"id":"msg_01EbvL8BZ1RFxmeSEfCWhu2Y","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"tool_use","id":"toolu_017GjbjokM8g5WgiZwJqHmcq","name":"dockerfile","input":{"extra_cmds":"RUN apt-get update && apt-get install -y --no-install-recommends graphviz || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1898,"cache_read_input_tokens":0,"output_tokens":78,"service_tier":"standard"}}
\ No newline at end of file
diff --git a/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile b/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
index d7fe8df..6345303 100644
--- a/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
+FROM ghcr.io/boldsoftware/sketch:82c32883426c519eada7250c0017e6b7
 
 ARG GIT_USER_EMAIL
 ARG GIT_USER_NAME
@@ -7,7 +7,7 @@
     git config --global user.name "$GIT_USER_NAME" && \
     git config --global http.postBuffer 524288000
 
-LABEL sketch_context="8811aa2b5e5632d5cbab838f2f9f963276d5689f5b4b3f33953594c68553f79a"
+LABEL sketch_context="be15efa1d150735bb7ebd1cd8d9dee577f7bbad44e540822deb20a57988cbe1f"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,10 +17,12 @@
 # Switch to lenient shell so we are more likely to get past failing extra_cmds.
 SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
 
-RUN apt-get update && apt-get install -y --no-install-recommends python3.11 python3.11-pip python3.11-venv || true && \
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    python3.11 python3.11-dev python3.11-venv python3-pip-whl || true && \
     apt-get clean && rm -rf /var/lib/apt/lists/* || true
 
-RUN python3.11 -m pip install --upgrade pip dvc || true
+RUN python3.11 -m pip install --upgrade pip setuptools wheel || true
+RUN python3.11 -m pip install dvc || true
 
 # Switch back to strict shell after extra_cmds.
 SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
diff --git a/dockerimg/testdata/testcreatedockerfile_python_misery.httprr b/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
index 18d4bf5..ff8c0bd 100644
--- a/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-5515 1639
+5683 1959
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5318
+Content-Length: 5486
 Anthropic-Version: 2023-06-01
 Content-Type: application/json
 
@@ -15,7 +15,7 @@
    "content": [
     {
      "type": "text",
-     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\nHere is the content of several files from the repository that may be relevant:\n\n"
+     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tmake python3-pip python-is-python3 tree net-tools file build-essential \\\n\t\tpipx cargo psmisc bsdmainutils openssh-client sudo \\\n\t\tunzip yarn util-linux \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\nHere is the content of several files from the repository that may be relevant:\n\n"
     },
     {
      "type": "text",
@@ -53,25 +53,25 @@
 }HTTP/2.0 200 OK
 Anthropic-Organization-Id: 3c473a21-7208-450a-a9f8-80aebda45c1b
 Anthropic-Ratelimit-Input-Tokens-Limit: 200000
-Anthropic-Ratelimit-Input-Tokens-Remaining: 144000
-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-06-18T17:33:29Z
+Anthropic-Ratelimit-Input-Tokens-Remaining: 200000
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-07-03T02:23:29Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-06-18T17:33:15Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-07-03T02:23:32Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-06-18T17:33:11Z
+Anthropic-Ratelimit-Requests-Reset: 2025-07-03T02:23:27Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
-Anthropic-Ratelimit-Tokens-Remaining: 224000
-Anthropic-Ratelimit-Tokens-Reset: 2025-06-18T17:33:15Z
+Anthropic-Ratelimit-Tokens-Remaining: 280000
+Anthropic-Ratelimit-Tokens-Reset: 2025-07-03T02:23:29Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 951c87c2cf19d8a7-SJC
+Cf-Ray: 9592ebc67c9ccee1-SJC
 Content-Type: application/json
-Date: Wed, 18 Jun 2025 17:33:14 GMT
-Request-Id: req_011CQG61swLKAyp7zXuwBt8V
+Date: Thu, 03 Jul 2025 02:23:32 GMT
+Request-Id: req_011CQjHn1dJMkdRcVGV6qBfs
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01Kd9FZgFfXXstqeDKt6BiE8","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"tool_use","id":"toolu_019hb1ytMQeZYQ68GxHzbeCq","name":"dockerfile","input":{"extra_cmds":"RUN apt-get update && apt-get install -y --no-install-recommends python3.11 python3.11-pip python3.11-venv || true && \\\n    apt-get clean && rm -rf /var/lib/apt/lists/* || true\n\nRUN python3.11 -m pip install --upgrade pip dvc || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1854,"cache_read_input_tokens":0,"output_tokens":135,"service_tier":"standard"}}
\ No newline at end of file
+{"id":"msg_019b6jYNUut2Qb8b43tXtjDL","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"Based on the repository content, I can see this is a Go project that also requires Python 3.11 and the DVC tool. I'll create a Dockerfile that sets up both environments while following the guidelines you specified."},{"type":"tool_use","id":"toolu_015iQvkvp7da1UTr5d1xbUBw","name":"dockerfile","input":{"extra_cmds":"RUN apt-get update && apt-get install -y --no-install-recommends \\\n    python3.11 python3.11-dev python3.11-venv python3-pip-whl || true && \\\n    apt-get clean && rm -rf /var/lib/apt/lists/* || true\n\nRUN python3.11 -m pip install --upgrade pip setuptools wheel || true\nRUN python3.11 -m pip install dvc || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1905,"cache_read_input_tokens":0,"output_tokens":210,"service_tier":"standard"}}
\ No newline at end of file
diff --git a/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.dockerfile b/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.dockerfile
index a46b5fb..9b2c9d1 100644
--- a/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
+FROM ghcr.io/boldsoftware/sketch:82c32883426c519eada7250c0017e6b7
 
 ARG GIT_USER_EMAIL
 ARG GIT_USER_NAME
@@ -7,7 +7,7 @@
     git config --global user.name "$GIT_USER_NAME" && \
     git config --global http.postBuffer 524288000
 
-LABEL sketch_context="08ba6b4d6fbfc3b3d24056fc7682516969723dd3135ec5b3b135bb5f4c8024ee"
+LABEL sketch_context="214644764ea720ced07603791df51b9c1d41483d10171d2eb4905b9e8c40460c"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,7 +17,6 @@
 # Switch to lenient shell so we are more likely to get past failing extra_cmds.
 SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
 
-RUN npm install -g corepack || true
 RUN corepack enable || true
 
 # Switch back to strict shell after extra_cmds.
diff --git a/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.httprr b/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.httprr
index 3cd1254..7bc944b 100644
--- a/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-5964 1799
+6132 1884
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5767
+Content-Length: 5935
 Anthropic-Version: 2023-06-01
 Content-Type: application/json
 
@@ -15,7 +15,7 @@
    "content": [
     {
      "type": "text",
-     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\nHere is the content of several files from the repository that may be relevant:\n\n"
+     "text": "\nCall the dockerfile tool to create a Dockerfile.\nThe parameters to dockerfile fill out the From and ExtraCmds\ntemplate variables in the following Go template:\n\n```\n# Stage 1: Get Chrome/Chromium from chromedp/headless-shell\nFROM docker.io/chromedp/headless-shell:stable AS chrome\n\n# Stage 2: Main application image\nFROM ubuntu:24.04\n\n# Switch from dash to bash by default.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\n# attempt to keep package installs lean\nRUN printf '%s\\n' \\\n      'path-exclude=/usr/share/man/*' \\\n      'path-exclude=/usr/share/doc/*' \\\n      'path-exclude=/usr/share/doc-base/*' \\\n      'path-exclude=/usr/share/info/*' \\\n      'path-exclude=/usr/share/locale/*' \\\n      'path-exclude=/usr/share/groff/*' \\\n      'path-exclude=/usr/share/lintian/*' \\\n      'path-exclude=/usr/share/zoneinfo/*' \\\n    \u003e /etc/dpkg/dpkg.cfg.d/01_nodoc\n\n# Install system packages (removed chromium, will use headless-shell instead)\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tca-certificates wget \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim lsof iproute2 less \\\n\t\tdocker.io docker-compose-v2 docker-buildx \\\n\t\tmake python3-pip python-is-python3 tree net-tools file build-essential \\\n\t\tpipx cargo psmisc bsdmainutils openssh-client sudo \\\n\t\tunzip yarn util-linux \\\n\t\tlibglib2.0-0 libnss3 libx11-6 libxcomposite1 libxdamage1 \\\n\t\tlibxext6 libxi6 libxrandr2 libgbm1 libgtk-3-0 \\\n\t\tfonts-noto-color-emoji fonts-symbola \u0026\u0026 \\\n\tfc-cache -f -v \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/* \u0026\u0026 \\\n\trm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nRUN echo '{\"storage-driver\":\"vfs\", \"bridge\":\"none\", \"iptables\":false, \"ip-forward\": false}' \\\n\t\u003e /etc/docker/daemon.json\n\n# Install Go 1.24\nENV GO_VERSION=1.24.3\nENV GOROOT=/usr/local/go\nENV GOPATH=/go\nENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH\n\nRUN ARCH=$(uname -m) \u0026\u0026 \\\n\tcase $ARCH in \\\n\t\tx86_64) GOARCH=amd64 ;; \\\n\t\taarch64) GOARCH=arm64 ;; \\\n\t\t*) echo \"Unsupported architecture: $ARCH\" \u0026\u0026 exit 1 ;; \\\n\tesac \u0026\u0026 \\\n\twget -O go.tar.gz \"https://golang.org/dl/go${GO_VERSION}.linux-${GOARCH}.tar.gz\" \u0026\u0026 \\\n\ttar -C /usr/local -xzf go.tar.gz \u0026\u0026 \\\n\trm go.tar.gz\n\n# Create GOPATH directory\nRUN mkdir -p \"$GOPATH/src\" \"$GOPATH/bin\" \u0026\u0026 chmod -R 755 \"$GOPATH\"\n\n# While these binaries install generally useful supporting packages,\n# the specific versions are rarely what a user wants so there is no\n# point polluting the base image module with them.\n\nRUN go install golang.org/x/tools/cmd/goimports@latest; \\\n\tgo install golang.org/x/tools/gopls@latest; \\\n\tgo install mvdan.cc/gofumpt@latest; \\\n\tgo clean -cache -testcache -modcache\n\n# Copy the self-contained Chrome bundle from chromedp/headless-shell\nCOPY --from=chrome /headless-shell /headless-shell\nENV PATH=\"/headless-shell:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\n\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$GIT_USER_EMAIL\" \u0026\u0026 \\\n    git config --global user.name \"$GIT_USER_NAME\" \u0026\u0026 \\\n    git config --global http.postBuffer 524288000\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\nRUN rm -f /app/tmp-sketch-dockerfile\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\n# Switch to lenient shell so we are more likely to get past failing extra_cmds.\nSHELL [\"/bin/bash\", \"-uo\", \"pipefail\", \"-c\"]\n\n{{.ExtraCmds}}\n\n# Switch back to strict shell after extra_cmds.\nSHELL [\"/bin/bash\", \"-euxo\", \"pipefail\", \"-c\"]\n\nCMD [\"/bin/sketch\"]\n\n```\n\nIn particular:\n- Assume it is primarily a Go project.\n- Python env setup is challenging and often no required, so any RUN commands involving python tooling should be written to let docker build continue if there is a failure.\n- Include any tools particular to this repository that can be inferred from the given context.\n- Append || true to any apt-get install commands in case the package does not exist.\n- MINIMIZE the number of extra_cmds generated. Straightforward environments do not need any.\n- Do NOT expose any ports.\n- Do NOT generate any CMD or ENTRYPOINT extra commands.\nHere is the content of several files from the repository that may be relevant:\n\n"
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-{"id":"msg_018dFUUbqesT8pRMHjuHC9AC","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"Based on the repository context, this appears to be a straightforward Go project with minimal dependencies. The GitHub workflow shows it uses Node.js 18 with corepack, but since the Dockerfile template already includes npm and nodejs, and this is a simple test project, I'll keep the extra commands minimal."},{"type":"tool_use","id":"toolu_01HiFT7pwNiKXBBzqwyijt1p","name":"dockerfile","input":{"extra_cmds":"RUN npm install -g corepack || true\nRUN corepack enable || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1971,"cache_read_input_tokens":0,"output_tokens":138,"service_tier":"standard"}}
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+{"id":"msg_01FuJ4WwjpF1KYe6k9RM72cJ","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"Looking at the repository context, this appears to be a straightforward Go project with minimal dependencies. The GitHub workflow shows it uses Node.js 18 and corepack, but these are likely for tooling rather than core functionality. Since the base Dockerfile template already includes comprehensive Go tooling and Node.js/npm, and the project appears to be simple based on the README, I'll generate a minimal extra_cmds section."},{"type":"tool_use","id":"toolu_013AkzAFZ7VAtTUgTjgoCGWR","name":"dockerfile","input":{"extra_cmds":"RUN corepack enable || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":2022,"cache_read_input_tokens":0,"output_tokens":152,"service_tier":"standard"}}
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