dockerimg: mkdir .cache in the base template and rebuild when the template changes
diff --git a/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.httprr b/dockerimg/testdata/testcreatedockerfile_basic_repo_with_readme.httprr
index 1c3ee06..47a46da 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
-3037 1681
+3079 1594
 POST https://api.anthropic.com/v1/messages HTTP/1.1

 Host: api.anthropic.com

 User-Agent: Go-http-client/1.1

-Content-Length: 2840

+Content-Length: 2882

 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 @@
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 Anthropic-Ratelimit-Input-Tokens-Limit: 200000

 Anthropic-Ratelimit-Input-Tokens-Remaining: 200000

-Anthropic-Ratelimit-Input-Tokens-Reset: 2025-04-05T00:17:28Z

+Anthropic-Ratelimit-Input-Tokens-Reset: 2025-04-18T08:17:21Z

 Anthropic-Ratelimit-Output-Tokens-Limit: 80000

 Anthropic-Ratelimit-Output-Tokens-Remaining: 80000

-Anthropic-Ratelimit-Output-Tokens-Reset: 2025-04-05T00:17:30Z

+Anthropic-Ratelimit-Output-Tokens-Reset: 2025-04-18T08:17:23Z

 Anthropic-Ratelimit-Requests-Limit: 4000

 Anthropic-Ratelimit-Requests-Remaining: 3999

-Anthropic-Ratelimit-Requests-Reset: 2025-04-05T00:17:28Z

+Anthropic-Ratelimit-Requests-Reset: 2025-04-18T08:17:20Z

 Anthropic-Ratelimit-Tokens-Limit: 280000

 Anthropic-Ratelimit-Tokens-Remaining: 280000

-Anthropic-Ratelimit-Tokens-Reset: 2025-04-05T00:17:28Z

+Anthropic-Ratelimit-Tokens-Reset: 2025-04-18T08:17:21Z

 Cf-Cache-Status: DYNAMIC

-Cf-Ray: 92b4dcd6de42943a-SJC

+Cf-Ray: 9322b9a63db0fb34-SJC

 Content-Type: application/json

-Date: Sat, 05 Apr 2025 00:17:30 GMT

-Request-Id: req_01ABvmpoBii9QTziayoGGv2a

+Date: Fri, 18 Apr 2025 08:17:23 GMT

+Request-Id: req_011CNFsHZusC4e93qDdNkHKw

 Server: cloudflare

 Via: 1.1 google

 X-Robots-Tag: none

 

-{"id":"msg_01TCvHPyXog5ysYCPaETR9JD","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.\n\nBased on the information provided, this appears to be a straightforward Go project without any Python requirements. The README confirms it's \"A Go project for testing.\" Therefore, I'll use the Go alpine image as the base."},{"type":"tool_use","id":"toolu_01MYYXLM3H8esGKeDGsjcrSY","name":"dockerfile","input":{"from":"golang:1.24.2-alpine3.21","extra_cmds":"RUN apk add --no-cache curl || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1014,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":153}}
\ No newline at end of file
+{"id":"msg_01V5cSQv12e94LHDrQVrEJ7M","type":"message","role":"assistant","model":"claude-3-7-sonnet-20250219","content":[{"type":"text","text":"Based on the README.md contents, this appears to be a simple Go test project with no Python requirements mentioned. I'll create a Dockerfile using the Go Alpine base image as requested."},{"type":"tool_use","id":"toolu_01SXx6X2UQkHnfedesH4pc5g","name":"dockerfile","input":{"from":"golang:1.24.2-alpine3.21","extra_cmds":"RUN apk add --no-cache curl vim nano || true"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":1025,"cache_read_input_tokens":0,"output_tokens":134}}
\ No newline at end of file