diff --git a/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.dockerfile b/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.dockerfile
index e91413f..195b3c9 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:f5b4ebd9ca15d3dbd2cd08e6e7ab9548
+FROM ghcr.io/boldsoftware/sketch:99a2e4afe316b3c6cf138830dbfb7796
 
 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="3226456072fc35733ff1b5e0f1a4dfc06bceafcf8824dbbb80face06aa167285"
+LABEL sketch_context="45ae7c2a65560701f1da47223747d1e8d9e62d75b5fc28b51d3a5f6afb0daa3e"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,8 +17,8 @@
 # Switch to lenient shell so we are more likely to get past failing extra_cmds.
 SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
 
-# No additional commands needed for this simple Go test project
-# The base Dockerfile already includes all necessary Go development tools
+# No special commands needed for this simple Go test project
+# The base image already provides all necessary Go tools
 
 # Switch back to strict shell after extra_cmds.
 SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
diff --git a/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.httprr b/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.httprr
index 23adfaa..e9f4989 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
-4024 1901
+4014 1797
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 3827
+Content-Length: 3817
 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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/*\n\n# Strip out docs from debian.\nRUN rm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim chromium \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\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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: 2025-05-05T19:55:29Z
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-06T03:30:56Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-05T19:55:32Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-06T03:30:59Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-05T19:55:28Z
+Anthropic-Ratelimit-Requests-Reset: 2025-05-06T03:30:55Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
 Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-05T19:55:29Z
+Anthropic-Ratelimit-Tokens-Reset: 2025-05-06T03:30:56Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 93b2cbb08ab515f7-SJC
+Cf-Ray: 93b566d6690ace9c-SJC
 Content-Type: application/json
-Date: Mon, 05 May 2025 19:55:32 GMT
-Request-Id: req_011CNpyGujGv6eewDja4g5Ee
+Date: Tue, 06 May 2025 03:30:59 GMT
+Request-Id: req_011CNqa1FVnavsQuEVK4FSjx
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01FRKiayPrFbD6HCNFk6RhDS","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Based on the provided information, I'll help you create a Dockerfile for this Go project using the dockerfile tool.\n\nSince this is a simple test Go project without any specific requirements beyond what's already in the template, I don't need to add many extra commands. The template already includes the essential Go development tools and environment setup."},{"type":"tool_use","id":"toolu_018ADQAYzXuVBBSvfwB3WKV6","name":"dockerfile","input":{"extra_cmds":"# No additional commands needed for this simple Go test project\n# The base Dockerfile already includes all necessary Go development tools"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1326,"cache_read_input_tokens":0,"output_tokens":147}}
\ No newline at end of file
+{"id":"msg_01XEdKoiC5EwZX9pS6uvifeA","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Based on the provided information, you have a simple Go test project. Since the project seems very basic according to the README, and there's no indication of any Python dependencies or specialized tools needed, I'll create a minimal Dockerfile with just the essential setup."},{"type":"tool_use","id":"toolu_01MiuPNSrwSBCv6Q4s5dyg8n","name":"dockerfile","input":{"extra_cmds":"# No special commands needed for this simple Go test project\n# The base image already provides all necessary Go tools"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1321,"cache_read_input_tokens":0,"output_tokens":130}}
\ No newline at end of file
diff --git a/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile b/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
index 55e9245..52d6fc3 100644
--- a/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:f5b4ebd9ca15d3dbd2cd08e6e7ab9548
+FROM ghcr.io/boldsoftware/sketch:99a2e4afe316b3c6cf138830dbfb7796
 
 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="852a43dfbf76c6272f41ade86ac1b4567acb77141edfec6c1df20b07a4758d1a"
+LABEL sketch_context="731625e8ccb108e34ec80ec82ad2eff3d65cd962c13cc9a33e3456d828b48b65"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,19 +17,14 @@
 # Switch to lenient shell so we are more likely to get past failing extra_cmds.
 SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
 
-# Install any Go tools that might be useful for development
-go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest || true
-go install github.com/rakyll/gotest@latest || true
+# Install any Go tools specific to development
+RUN go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest || true
 
-# Install Python dependencies if needed (with error handling)
-if [ -f requirements.txt ]; then
-    pip3 install -r requirements.txt || true
-fi
+# Install any Python dependencies if needed (allow failures)
+RUN if [ -f requirements.txt ]; then pip3 install -r requirements.txt || true; fi
 
-# If Makefile exists, run make prepare or similar setup target
-if [ -f Makefile ]; then
-    grep -q "prepare:" Makefile && make prepare || true
-fi
+# Pre-compile the project if possible
+RUN if [ -f go.mod ]; then go build -v ./... || true; fi
 
 # 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 6f5ec2d..5a4643f 100644
--- a/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_empty_repo.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-3777 2383
+3767 1928
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 3580
+Content-Length: 3570
 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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/*\n\n# Strip out docs from debian.\nRUN rm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim chromium \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\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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",
@@ -50,24 +50,24 @@
 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: 2025-05-05T19:55:42Z
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-06T03:31:08Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-05T19:55:46Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-06T03:31:10Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-05T19:55:40Z
+Anthropic-Ratelimit-Requests-Reset: 2025-05-06T03:31:07Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
 Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-05T19:55:42Z
+Anthropic-Ratelimit-Tokens-Reset: 2025-05-06T03:31:08Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 93b2cbf9bcab15f7-SJC
+Cf-Ray: 93b56723daa0ce9c-SJC
 Content-Type: application/json
-Date: Mon, 05 May 2025 19:55:46 GMT
-Request-Id: req_011CNpyHmZv42gfUEp4BiYvZ
+Date: Tue, 06 May 2025 03:31:11 GMT
+Request-Id: req_011CNqa2AVC9m56dtxX5MqbJ
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01P8BMBGo1uG2pRH27YTQKRw","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"I'll help you create a Dockerfile for this Go project. Based on the template you provided, I need to generate appropriate extra commands for the Dockerfile that will set up a development environment.\n\nSince you mentioned this is primarily a Go project, I'll focus on creating a minimal set of extra commands that might be helpful for a Go development environment. I'll ensure Python commands have error handling, and apt-get install commands have the \"|| true\" suffix as requested."},{"type":"tool_use","id":"toolu_015rV7PbsVvcoTHGnkcYtC78","name":"dockerfile","input":{"extra_cmds":"# Install any Go tools that might be useful for development\ngo install github.com/golangci/golangci-lint/cmd/golangci-lint@latest || true\ngo install github.com/rakyll/gotest@latest || true\n\n# Install Python dependencies if needed (with error handling)\nif [ -f requirements.txt ]; then\n    pip3 install -r requirements.txt || true\nfi\n\n# If Makefile exists, run make prepare or similar setup target\nif [ -f Makefile ]; then\n    grep -q \"prepare:\" Makefile && make prepare || true\nfi"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1282,"cache_read_input_tokens":0,"output_tokens":289}}
\ No newline at end of file
+{"id":"msg_01UEUtJaKVQygbeUjy9apyfW","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"I'll call the dockerfile tool to create a Dockerfile for your Go project. Based on the template provided, I'll add minimal but useful extra commands."},{"type":"tool_use","id":"toolu_01GSRQTjFTpsavcRqaZCKaRP","name":"dockerfile","input":{"extra_cmds":"# Install any Go tools specific to development\nRUN go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest || true\n\n# Install any Python dependencies if needed (allow failures)\nRUN if [ -f requirements.txt ]; then pip3 install -r requirements.txt || true; fi\n\n# Pre-compile the project if possible\nRUN if [ -f go.mod ]; then go build -v ./... || true; fi"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1277,"cache_read_input_tokens":0,"output_tokens":195}}
\ 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 2084803..9fddf21 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:f5b4ebd9ca15d3dbd2cd08e6e7ab9548
+FROM ghcr.io/boldsoftware/sketch:99a2e4afe316b3c6cf138830dbfb7796
 
 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="32ece3b0a507af8cac1fec473edc43346e765c027651b7a02724dbf70e75c76c"
+LABEL sketch_context="4b57cd5672dffa6afe8495834d5965702be578e00b3ef168060630c7d1889fd9"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,10 +17,15 @@
 # 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/*
 
-# Python tooling setup - designed to continue even if there are failures
-RUN pip3 install --upgrade pip || true
+# Python environment setup with error handling
+RUN if [ -f requirements.txt ]; then \
+    pip3 install -r requirements.txt || true; \
+fi
 
 # 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 53ec9b4..42d2c68 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
-4039 1897
+4029 1904
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 3842
+Content-Length: 3832
 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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/*\n\n# Strip out docs from debian.\nRUN rm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim chromium \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\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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: 2025-05-05T19:55:37Z
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-06T03:31:04Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-05T19:55:40Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-06T03:31:07Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-05T19:55:36Z
+Anthropic-Ratelimit-Requests-Reset: 2025-05-06T03:31:03Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
 Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-05T19:55:37Z
+Anthropic-Ratelimit-Tokens-Reset: 2025-05-06T03:31:04Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 93b2cbe1cf0f15f7-SJC
+Cf-Ray: 93b5670b1ca7ce9c-SJC
 Content-Type: application/json
-Date: Mon, 05 May 2025 19:55:40 GMT
-Request-Id: req_011CNpyHVEQN87xrm73oPwzT
+Date: Tue, 06 May 2025 03:31:07 GMT
+Request-Id: req_011CNqa1sZCxEso2UKmHCyjV
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01Mikz4aehYkkuUzVtUjHuV3","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Thank you for providing the details for creating a Dockerfile. Based on the information given, I'll call the dockerfile tool to generate the appropriate Dockerfile.\n\nFrom the readme.md file, I can see that the project requires the `dot` tool to run tests, which is part of the Graphviz package."},{"type":"tool_use","id":"toolu_013MzpkEN2DJ1Zd8YPtF2tPQ","name":"dockerfile","input":{"extra_cmds":"RUN apt-get update && apt-get install -y --no-install-recommends graphviz || true\n\n# Python tooling setup - designed to continue even if there are failures\nRUN pip3 install --upgrade pip || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1331,"cache_read_input_tokens":0,"output_tokens":172}}
\ No newline at end of file
+{"id":"msg_01JY4FYjAcRmUSgk7PdN9nRp","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Based on the information provided, I'll create a Dockerfile for this Go project. I notice from the readme.md that the project requires the `dot` tool to run tests, which is part of the Graphviz package."},{"type":"tool_use","id":"toolu_01TBHw25aMdP3w1pitKnr1e1","name":"dockerfile","input":{"extra_cmds":"RUN apt-get update && \\\n    apt-get install -y --no-install-recommends graphviz || true && \\\n    apt-get clean && \\\n    rm -rf /var/lib/apt/lists/*\n\n# Python environment setup with error handling\nRUN if [ -f requirements.txt ]; then \\\n    pip3 install -r requirements.txt || true; \\\nfi"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1326,"cache_read_input_tokens":0,"output_tokens":193}}
\ No newline at end of file
diff --git a/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile b/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
index 9e6ada1..b98c741 100644
--- a/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:f5b4ebd9ca15d3dbd2cd08e6e7ab9548
+FROM ghcr.io/boldsoftware/sketch:99a2e4afe316b3c6cf138830dbfb7796
 
 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="79b4c82f0c892e5f79900afb235c0ab50044626be5d6d43b774f6f5da9537800"
+LABEL sketch_context="7c933e98fc1d5fd35f964b6cf115bcf65b580c378069d078ab66723b2b1073c4"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,16 +17,24 @@
 # Switch to lenient shell so we are more likely to get past failing extra_cmds.
 SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
 
-# Install Python 3.11 (if not already the default version) and set it up
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends python3.11 python3.11-venv python3-pip || true && \
-    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 || true && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
+# Install Python 3.11 (attempt to continue on failure)
+RUN apt-get update && apt-get install -y --no-install-recommends python3.11 python3.11-venv python3.11-dev python3-pip || true
 
-# Install DVC tool as mentioned in README
+# Set up Python 3.11 as default Python
+RUN if command -v python3.11 &> /dev/null; then \
+    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 || true; \
+    fi
+
+# Install DVC tool
 RUN pip3 install dvc || true
 
+# Create and activate Python virtual environment if needed
+RUN if [ -f requirements.txt ]; then \
+    python3 -m venv .venv || true; \
+    source .venv/bin/activate || true; \
+    pip install -r requirements.txt || true; \
+    fi
+
 # 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 b1ef4e7..7124d60 100644
--- a/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-4062 2058
+4052 2258
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 3865
+Content-Length: 3855
 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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/*\n\n# Strip out docs from debian.\nRUN rm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim chromium \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\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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: 2025-05-05T19:55:47Z
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-06T03:31:12Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-05T19:55:50Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-06T03:31:16Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-05T19:55:47Z
+Anthropic-Ratelimit-Requests-Reset: 2025-05-06T03:31:11Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
 Anthropic-Ratelimit-Tokens-Remaining: 280000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-05T19:55:47Z
+Anthropic-Ratelimit-Tokens-Reset: 2025-05-06T03:31:12Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 93b2cc227ed515f7-SJC
+Cf-Ray: 93b5673b6e3bce9c-SJC
 Content-Type: application/json
-Date: Mon, 05 May 2025 19:55:51 GMT
-Request-Id: req_011CNpyJFSiFJUtRqgiMPiG3
+Date: Tue, 06 May 2025 03:31:16 GMT
+Request-Id: req_011CNqa2SbZGPRZ3VpTEzQeT
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01G9uUSv5BciWemp442LWMUE","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Based on the README.md, this project requires Python 3.11 and the DVC (Data Version Control) tool. Since the dockerfile template already includes Python3, I'll add commands to ensure Python 3.11 is installed and to set up DVC."},{"type":"tool_use","id":"toolu_01PWZdG27vVMNfzgzmLV7Hi8","name":"dockerfile","input":{"extra_cmds":"# Install Python 3.11 (if not already the default version) and set it up\nRUN apt-get update && \\\n    apt-get install -y --no-install-recommends python3.11 python3.11-venv python3-pip || true && \\\n    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 || true && \\\n    apt-get clean && \\\n    rm -rf /var/lib/apt/lists/*\n\n# Install DVC tool as mentioned in README\nRUN pip3 install dvc || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1338,"cache_read_input_tokens":0,"output_tokens":254}}
\ No newline at end of file
+{"id":"msg_01G7Rd33sjrAA319QvFpukeZ","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Based on the README.md file, I can see that this project requires Python 3.11 and the DVC tool. I'll create a Dockerfile with appropriate extra commands to set up these requirements."},{"type":"tool_use","id":"toolu_01MQ46ddwZ7x3VerhB9uRJiR","name":"dockerfile","input":{"extra_cmds":"# Install Python 3.11 (attempt to continue on failure)\nRUN apt-get update && apt-get install -y --no-install-recommends python3.11 python3.11-venv python3.11-dev python3-pip || true\n\n# Set up Python 3.11 as default Python\nRUN if command -v python3.11 &> /dev/null; then \\\n    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 || true; \\\n    fi\n\n# Install DVC tool\nRUN pip3 install dvc || true\n\n# Create and activate Python virtual environment if needed\nRUN if [ -f requirements.txt ]; then \\\n    python3 -m venv .venv || true; \\\n    source .venv/bin/activate || true; \\\n    pip install -r requirements.txt || true; \\\n    fi"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1333,"cache_read_input_tokens":0,"output_tokens":317}}
\ 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 c9070fc..c76b25c 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:f5b4ebd9ca15d3dbd2cd08e6e7ab9548
+FROM ghcr.io/boldsoftware/sketch:99a2e4afe316b3c6cf138830dbfb7796
 
 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="c0828a2b9bfbd0484300d9e371121aaf027862652780c0b007a154ae6bbaf6bc"
+LABEL sketch_context="9e67057e5e7da2576cff8d8923a4824489eb9e8834ab0834d5bfe92f16e40b0d"
 COPY . /app
 RUN rm -f /app/tmp-sketch-dockerfile
 
@@ -17,10 +17,11 @@
 # 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 && corepack enable || true
+# Install specific Node.js dependencies
+RUN npm install -g corepack || true
+RUN corepack enable || true
 
-# If there are any Python dependencies, install them in a way that doesn't fail build
-RUN if [ -f requirements.txt ]; then pip3 install -r requirements.txt || true; fi
+# Any Python setup would go here, but none seems required for this project
 
 # Switch back to strict shell after extra_cmds.
 SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
diff --git a/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.httprr b/dockerimg/testdata/testcreatedockerfile_repo_with_readme_and_workflow.httprr
index 522c801..16b4704 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
-4511 1810
+4501 1975
 POST https://api.anthropic.com/v1/messages HTTP/1.1
 Host: api.anthropic.com
 User-Agent: Go-http-client/1.1
-Content-Length: 4314
+Content-Length: 4304
 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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim \u0026\u0026 \\\n\tapt-get clean \u0026\u0026 \\\n\trm -rf /var/lib/apt/lists/*\n\n# Strip out docs from debian.\nRUN rm -rf /usr/share/{doc,doc-base,info,lintian,man,groff,locale,zoneinfo}/*\n\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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```\nFROM golang:1.24-bookworm\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\nRUN apt-get update; \\\n\tapt-get install -y --no-install-recommends \\\n\t\tgit jq sqlite3 npm nodejs gh ripgrep fzf python3 curl vim chromium \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\nENV PATH=\"$GOPATH/bin:$PATH\"\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\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",
@@ -57,25 +57,25 @@
 }HTTP/2.0 200 OK
 Anthropic-Organization-Id: 3c473a21-7208-450a-a9f8-80aebda45c1b
 Anthropic-Ratelimit-Input-Tokens-Limit: 200000
-Anthropic-Ratelimit-Input-Tokens-Remaining: 184000
-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-05T19:55:38Z
+Anthropic-Ratelimit-Input-Tokens-Remaining: 200000
+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-05-06T03:31:00Z
 Anthropic-Ratelimit-Output-Tokens-Limit: 80000
 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000
-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-05T19:55:36Z
+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-05-06T03:31:03Z
 Anthropic-Ratelimit-Requests-Limit: 4000
 Anthropic-Ratelimit-Requests-Remaining: 3999
-Anthropic-Ratelimit-Requests-Reset: 2025-05-05T19:55:32Z
+Anthropic-Ratelimit-Requests-Reset: 2025-05-06T03:30:59Z
 Anthropic-Ratelimit-Tokens-Limit: 280000
-Anthropic-Ratelimit-Tokens-Remaining: 264000
-Anthropic-Ratelimit-Tokens-Reset: 2025-05-05T19:55:36Z
+Anthropic-Ratelimit-Tokens-Remaining: 280000
+Anthropic-Ratelimit-Tokens-Reset: 2025-05-06T03:31:00Z
 Cf-Cache-Status: DYNAMIC
-Cf-Ray: 93b2cbc8893815f7-SJC
+Cf-Ray: 93b566f14f06ce9c-SJC
 Content-Type: application/json
-Date: Mon, 05 May 2025 19:55:36 GMT
-Request-Id: req_011CNpyHBucL8yrPiyPWPRjU
+Date: Tue, 06 May 2025 03:31:03 GMT
+Request-Id: req_011CNqa1ZvovrWPa7AhZtq1L
 Server: cloudflare
 Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 Via: 1.1 google
 X-Robots-Tag: none
 
-{"id":"msg_01JW8MofecQCTuEEyrvZ2Moh","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"I'll help you create a Dockerfile using the template you provided. Based on the repository files you've shared, I can see this is a Go project that also uses Node.js with corepack."},{"type":"tool_use","id":"toolu_01SbVxNX7BhtLRT6ByGxa63K","name":"dockerfile","input":{"extra_cmds":"RUN npm install -g corepack && corepack enable || true\n\n# If there are any Python dependencies, install them in a way that doesn't fail build\nRUN if [ -f requirements.txt ]; then pip3 install -r requirements.txt || true; fi"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1455,"cache_read_input_tokens":0,"output_tokens":158}}
\ No newline at end of file
+{"id":"msg_01FEiZ2LTjaMRzcnkr8DUoFA","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Based on the provided information, I'll call the dockerfile tool to create a Dockerfile for this Go project. \n\nFrom the repository files, I can see:\n1. It's primarily a Go project (confirmed by README.md)\n2. It uses Node.js version 18 for testing (from GitHub workflow)\n3. It requires corepack to be installed and enabled\n\nI'll create appropriate extra commands for the Dockerfile:"},{"type":"tool_use","id":"toolu_01HCU6yG6DdaCmgMvP8xEeyS","name":"dockerfile","input":{"extra_cmds":"# Install specific Node.js dependencies\nRUN npm install -g corepack || true\nRUN corepack enable || true\n\n# Any Python setup would go here, but none seems required for this project"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1450,"cache_read_input_tokens":0,"output_tokens":193}}
\ No newline at end of file