dockerimg: mkdir .cache in the base template and rebuild when the template changes
diff --git a/dockerimg/testdata/testcreatedockerfile_python_misery.httprr b/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
index 4498293..e51722f 100644
--- a/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
+++ b/dockerimg/testdata/testcreatedockerfile_python_misery.httprr
@@ -1,9 +1,9 @@
 httprr trace v1
-3075 1793
+3117 1918
 POST https://api.anthropic.com/v1/messages HTTP/1.1

 Host: api.anthropic.com

 User-Agent: Go-http-client/1.1

-Content-Length: 2878

+Content-Length: 2920

 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 {{.From}}\n\nRUN apk add bash git make jq sqlite gcc musl-dev linux-headers npm nodejs go github-cli ripgrep fzf\n\nENV GOTOOLCHAIN=auto\nENV GOPATH=/go\nENV PATH=\"$GOPATH/bin:$PATH\"\n\nRUN go install golang.org/x/tools/cmd/goimports@latest\nRUN go install golang.org/x/tools/gopls@latest\nRUN go install mvdan.cc/gofumpt@latest\n\n{{.ExtraCmds}}\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\"\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\nCMD [\"/bin/sketch\"]\n```\n\nIn particular:\n- Assume it is primarily a Go project. For a minimal env, prefer 1.24.2-alpine3.21 as a base image.\n- If any python is needed at all, switch to using a python alpine image as a the base and apk add go.\n  Favor using uv, and use one of these base images, depending on the preferred python version:\n    ghcr.io/astral-sh/uv:python3.13-alpine\n    ghcr.io/astral-sh/uv:python3.12-alpine\n    ghcr.io/astral-sh/uv:python3.11-alpine\n- When using pip to install packages, use: uv pip install --system.\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 apk add commands in case the package does not exist.\n- Do not expose any ports.\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 {{.From}}\n\nRUN apk add bash git make jq sqlite gcc musl-dev linux-headers npm nodejs go github-cli ripgrep fzf\n\nENV GOTOOLCHAIN=auto\nENV GOPATH=/go\nENV PATH=\"$GOPATH/bin:$PATH\"\n\nRUN go install golang.org/x/tools/cmd/goimports@latest\nRUN go install golang.org/x/tools/gopls@latest\nRUN go install mvdan.cc/gofumpt@latest\n\nRUN mkdir -p /root/.cache/sketch/webui\n\n{{.ExtraCmds}}\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\"\n\nLABEL sketch_context=\"{{.InitFilesHash}}\"\nCOPY . /app\n\nWORKDIR /app{{.SubDir}}\nRUN if [ -f go.mod ]; then go mod download; fi\n\nCMD [\"/bin/sketch\"]\n```\n\nIn particular:\n- Assume it is primarily a Go project. For a minimal env, prefer 1.24.2-alpine3.21 as a base image.\n- If any python is needed at all, switch to using a python alpine image as a the base and apk add go.\n  Favor using uv, and use one of these base images, depending on the preferred python version:\n    ghcr.io/astral-sh/uv:python3.13-alpine\n    ghcr.io/astral-sh/uv:python3.12-alpine\n    ghcr.io/astral-sh/uv:python3.11-alpine\n- When using pip to install packages, use: uv pip install --system.\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 apk add commands in case the package does not exist.\n- Do not expose any ports.\nHere is the content of several files from the repository that may be relevant:\n\n"
     },
     {
      "type": "text",
@@ -59,23 +59,23 @@
 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: 2025-04-05T00:17:39Z

+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-04-18T08:17:35Z

 Anthropic-Ratelimit-Output-Tokens-Limit: 80000

 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000

-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-04-05T00:17:42Z

+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-04-18T08:17:38Z

 Anthropic-Ratelimit-Requests-Limit: 4000

 Anthropic-Ratelimit-Requests-Remaining: 3999

-Anthropic-Ratelimit-Requests-Reset: 2025-04-05T00:17:39Z

+Anthropic-Ratelimit-Requests-Reset: 2025-04-18T08:17:34Z

 Anthropic-Ratelimit-Tokens-Limit: 280000

 Anthropic-Ratelimit-Tokens-Remaining: 280000

-Anthropic-Ratelimit-Tokens-Reset: 2025-04-05T00:17:39Z

+Anthropic-Ratelimit-Tokens-Reset: 2025-04-18T08:17:35Z

 Cf-Cache-Status: DYNAMIC

-Cf-Ray: 92b4dd1b7f3d943a-SJC

+Cf-Ray: 9322b9fd4c9efb34-SJC

 Content-Type: application/json

-Date: Sat, 05 Apr 2025 00:17:42 GMT

-Request-Id: req_01TzHQukmmrk6cTHsyxuMSuZ

+Date: Fri, 18 Apr 2025 08:17:38 GMT

+Request-Id: req_011CNFsJbSfdq8rJVp6fsJKH

 Server: cloudflare

 Via: 1.1 google

 X-Robots-Tag: none

 

-{"id":"msg_01DVLCsdrDvzRHv7221La4Mw","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. Given this information, I'll create a Dockerfile that uses a Python 3.11 Alpine image as the base and includes the necessary tools."},{"type":"tool_use","id":"toolu_012FnmKYSqbhwr4xkAySuwgV","name":"dockerfile","input":{"from":"ghcr.io/astral-sh/uv:python3.11-alpine","extra_cmds":"RUN apk add go || true\n\n# Install DVC (Data Version Control)\nRUN uv pip install --system dvc || true\n\n# Additional Python setup\nRUN uv pip install --system pytest pytest-cov || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1026,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":199}}
\ No newline at end of file
+{"id":"msg_01W8rW8w6VD25YA3s2zpHzF8","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Based on the README.md, I can see that this project requires Python 3.11 and the DVC (Data Version Control) tool. Since Python is needed, I should use a Python-based Alpine image as the base and add Go support to it.\n\nI'll call the dockerfile tool with the appropriate parameters:"},{"type":"tool_use","id":"toolu_01NuMukr2Q9XXVyRtyP2CH5x","name":"dockerfile","input":{"from":"ghcr.io/astral-sh/uv:python3.11-alpine","extra_cmds":"RUN apk add go || true\n\n# Install Python requirements and DVC\nRUN uv pip install --system dvc || true\n\n# Install any additional Python dependencies if present\nRUN if [ -f requirements.txt ]; then uv pip install --system -r requirements.txt || true; fi"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1037,"cache_read_input_tokens":0,"output_tokens":223}}
\ No newline at end of file