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 @@
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 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
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-{"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"}}
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