diff --git a/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.dockerfile b/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.dockerfile
index 472f042..8938524 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:8a0fa60d74a8342c828aaec2c6d25bf3
+FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
 
 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="e98d66530f660bc3a8c80d8ad47d26698c4e9add080d2a5f0501776d4e2c8db7"
+LABEL sketch_context="36e4db4d24da7f95d8bf1a3a97378381619077dbd3cb62163e2823ad2e97d286"
 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 05653ec..d6a531c 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
-5281 1705
+5477 1684
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5084
+Content-Length: 5280
 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\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\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:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$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\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: 200000
-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-29T22:37:47Z
+Anthropic-Ratelimit-Input-Tokens-Remaining: 146000
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-06-18T17:33:11Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-29T22:37:49Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-06-18T17:32:57Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-29T22:37:46Z
+Anthropic-Ratelimit-Requests-Reset: 2025-06-18T17:32:53Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
-Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-29T22:37:47Z
+Anthropic-Ratelimit-Tokens-Remaining: 226000
+Anthropic-Ratelimit-Tokens-Reset: 2025-06-18T17:32:57Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 94797a6b8aa3aab1-SJC
+Cf-Ray: 951c87548cb7d8a7-SJC
 Content-Type: application/json
-Date: Thu, 29 May 2025 22:37:49 GMT
-Request-Id: req_011CPcd4fqNCWyY491YWt35J
+Date: Wed, 18 Jun 2025 17:32:57 GMT
+Request-Id: req_011CQG5zaWZXoekYBba7BGPB
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01GJ7irARC1Ps6p7wnsmdseq","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 the README indicates it's just \"A Go project for testing\" and there are no special dependencies or complex setup requirements visible, I'll create a minimal Dockerfile with no extra commands."},{"type":"tool_use","id":"toolu_01BhHtQwfffkP9Bg6rGEM76h","name":"dockerfile","input":{"extra_cmds":""}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1780,"cache_read_input_tokens":0,"output_tokens":107,"service_tier":"standard"}}
\ No newline at end of file
+{"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
diff --git a/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile b/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
index 25dad40..4ae853e 100644
--- a/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:8a0fa60d74a8342c828aaec2c6d25bf3
+FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
 
 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="12fa8cf256936d95e87604d85897168f0244bf1cc5b24f011c39f7b1ddce2786"
+LABEL sketch_context="2811549d4dc8d74da6b1b59d0918b0ed8014f7c662d80ec75b6e5f75dba599c3"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
diff --git a/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr b/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr
index 8f370db..3d3e6e3 100644
--- a/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-5034 1792
+5230 1692
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 4837
+Content-Length: 5033
 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\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\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:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$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\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: 200000
-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-29T22:37:58Z
+Anthropic-Ratelimit-Input-Tokens-Remaining: 145000
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-06-18T17:33:25Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-29T22:38:00Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-06-18T17:33:11Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-29T22:37:57Z
+Anthropic-Ratelimit-Requests-Reset: 2025-06-18T17:33:07Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
-Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-29T22:37:58Z
+Anthropic-Ratelimit-Tokens-Remaining: 225000
+Anthropic-Ratelimit-Tokens-Reset: 2025-06-18T17:33:11Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 94797aaf799eaab1-SJC
+Cf-Ray: 951c87a92fd4d8a7-SJC
 Content-Type: application/json
-Date: Thu, 29 May 2025 22:38:00 GMT
-Request-Id: req_011CPcd5UL65ScG4jwsr7Rep
+Date: Wed, 18 Jun 2025 17:33:11 GMT
+Request-Id: req_011CQG61aSsR79iRDfGbAhUv
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_013JYrv4pyw4VhyqwMnU6uXF","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"Looking at this Go project template, I can see it's already well-configured with Go tooling, Chrome/Chromium for testing, and common development tools. Since this appears to be a straightforward Go project and the base template already includes comprehensive tooling (Go, git, ripgrep, fzf, python3, etc.), minimal extra commands are needed."},{"type":"tool_use","id":"toolu_01FjX7VTZJEzwmrU9nGWtiZJ","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":1736,"cache_read_input_tokens":0,"output_tokens":139,"service_tier":"standard"}}
\ No newline at end of file
+{"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
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 7faa1b9..ca7f139 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:8a0fa60d74a8342c828aaec2c6d25bf3
+FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
 
 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="419fd067bce1db9cd14c4384044273651b5dc9c96110776e3dc22d2ca6816488"
+LABEL sketch_context="0c9eac29201cabe4f70101541c2f254d4c3f0a30cee640979a7310cd10cabeeb"
 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
+RUN apt-get update && apt-get install -y --no-install-recommends graphviz || true && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # 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 449b92e..dc36029 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
-5296 1735
+5492 1744
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5099
+Content-Length: 5295
 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\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\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:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$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\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: 2025-05-29T22:37:54Z
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-06-18T17:33:04Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-29T22:37:56Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-06-18T17:33:07Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-29T22:37:53Z
+Anthropic-Ratelimit-Requests-Reset: 2025-06-18T17:33:02Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
 Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-29T22:37:54Z
+Anthropic-Ratelimit-Tokens-Reset: 2025-06-18T17:33:04Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 94797a9a0927aab1-SJC
+Cf-Ray: 951c878d2e7ad8a7-SJC
 Content-Type: application/json
-Date: Thu, 29 May 2025 22:37:56 GMT
-Request-Id: req_011CPcd5DeJHnWm9Jucp46vo
+Date: Wed, 18 Jun 2025 17:33:07 GMT
+Request-Id: req_011CQG61FEiZSeJZvjq71UWf
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_019KGs48gCDCcbgYG4rCn3cf","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"text","text":"Looking at the repository context, I can see this is a Go project that requires the `dot` tool (from Graphviz) to run tests. Based on the readme.md file, I need to add the installation of Graphviz to provide the `dot` command."},{"type":"tool_use","id":"toolu_01Y16Kk3g1JRMkfkJnBeYjJT","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":1785,"cache_read_input_tokens":0,"output_tokens":138,"service_tier":"standard"}}
\ No newline at end of file
+{"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
diff --git a/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile b/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
index dfb14a1..d7fe8df 100644
--- a/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:8a0fa60d74a8342c828aaec2c6d25bf3
+FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
 
 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="9e2e88b559df3656b9b50664cd435a00d410a76c08f0c4ec9a6d01a767435d51"
+LABEL sketch_context="8811aa2b5e5632d5cbab838f2f9f963276d5689f5b4b3f33953594c68553f79a"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,9 +17,10 @@
 # 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-venv python3-pip || true && apt-get clean && rm -rf /var/lib/apt/lists/*
-RUN python3.11 -m pip install --upgrade pip || true
-RUN python3.11 -m pip install dvc || true
+RUN apt-get update && apt-get install -y --no-install-recommends python3.11 python3.11-pip python3.11-venv || true && \
+    apt-get clean && rm -rf /var/lib/apt/lists/* || true
+
+RUN python3.11 -m pip install --upgrade pip 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 ad4e651..18d4bf5 100644
--- a/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-5319 1657
+5515 1639
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5122
+Content-Length: 5318
 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\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\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:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$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\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: 200000
-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-29T22:38:02Z
+Anthropic-Ratelimit-Input-Tokens-Remaining: 144000
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-06-18T17:33:29Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-29T22:38:04Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-06-18T17:33:15Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-29T22:38:01Z
+Anthropic-Ratelimit-Requests-Reset: 2025-06-18T17:33:11Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
-Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-29T22:38:02Z
+Anthropic-Ratelimit-Tokens-Remaining: 224000
+Anthropic-Ratelimit-Tokens-Reset: 2025-06-18T17:33:15Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 94797ac91d8faab1-SJC
+Cf-Ray: 951c87c2cf19d8a7-SJC
 Content-Type: application/json
-Date: Thu, 29 May 2025 22:38:04 GMT
-Request-Id: req_011CPcd5mrHrarercMhM8Mhm
+Date: Wed, 18 Jun 2025 17:33:14 GMT
+Request-Id: req_011CQG61swLKAyp7zXuwBt8V
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01BYqp1FoAKhtc8gi89gDoLf","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[{"type":"tool_use","id":"toolu_01VU3aF7QfQgHG4fC4dXMtmn","name":"dockerfile","input":{"extra_cmds":"RUN apt-get update && apt-get install -y --no-install-recommends python3.11 python3.11-venv python3-pip || true && apt-get clean && rm -rf /var/lib/apt/lists/*\nRUN python3.11 -m pip install --upgrade pip || true\nRUN python3.11 -m pip install dvc || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1792,"cache_read_input_tokens":0,"output_tokens":142,"service_tier":"standard"}}
\ No newline at end of file
+{"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
diff --git a/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.dockerfile b/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.dockerfile
index ce33aeb..a46b5fb 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:8a0fa60d74a8342c828aaec2c6d25bf3
+FROM ghcr.io/boldsoftware/sketch:741e5a2d5a35c7fb3282a265bdd0cf24
 
 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="b0d35d98227021367b88dbfe52bc463bd2349b62f57487de321dee9f45e0f46c"
+LABEL sketch_context="08ba6b4d6fbfc3b3d24056fc7682516969723dd3135ec5b3b135bb5f4c8024ee"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
diff --git a/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.httprr b/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.httprr
index a9193e9..3cd1254 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
-5768 1801
+5964 1799
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 5571
+Content-Length: 5767
 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\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\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:${PATH}\"\n\nENV GOTOOLCHAIN=auto\nENV SKETCH=1\n\nRUN mkdir -p /root/.cache/sketch/webui\nARG GIT_USER_EMAIL\nARG GIT_USER_NAME\n\nRUN git config --global user.email \"$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\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_01KsvGQNJJ1Wm1U6foeDUETu","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 since the Dockerfile template already includes npm and nodejs, and this is primarily a Go project, I'll keep the extra commands minimal."},{"type":"tool_use","id":"toolu_01UdKKNT31yezwNBUu3cE7gv","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":1909,"cache_read_input_tokens":0,"output_tokens":138,"service_tier":"standard"}}
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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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