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gitea-mcp/Dockerfile
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zhengchen.tao c7fa6aeb7f
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gitea-mcp: 初次落地 Gitea MCP Server (.NET 10, V1 only-read)
把 Gitea (git.zhengchentao.win) 通过 MCP 暴露给 Claude.ai:列 repo、读代码、看 commits / issues / PR / orgs / packages / actions。
设计文档见 vault Coding/gitea-mcp/gitea-mcp 设计.md。
代码模板复用 obsidian-mcp(.NET 10 + ModelContextProtocol SDK + JwtBearer)。

19 个只读 Tool(全部 scope=read:gitea):

Repo / 文件:
- list_repos / read_repo
- list_tree(max_entries=500 防爆)
- read_file(max_bytes=1MB,超出 truncated=true)
- search_code(走 /repos/search-code,indexer 未启用时返回结构化错误说明)

分支 / 提交:
- list_branches / list_commits / read_commit(diff 文件数限 50)

Issue / PR:
- list_issues / read_issue(含评论)
- list_pulls / read_pull(含评论 + 改动文件列表)

Org / Package(用户额外授权 read:organization + read:package):
- list_orgs / read_org
- list_packages / read_package

Gitea Actions(运维友好):
- list_workflow_runs / read_run_log

技术栈:
- .NET 10 + ModelContextProtocol SDK 1.0
- HttpClientFactory + Microsoft.Extensions.Http.Resilience(指数 backoff,5xx/429/网络错误重试)
- JwtBearer (HS256, Current+Previous fallback, MapInboundClaims=false)
- aud=gitea, scope=read:gitea, iss=https://auth.zhengchentao.win

Gitea API client:
- Authorization: token <PAT> (admin PAT,仅 read scope)
- BaseUrl=https://git.zhengchentao.win
- 错误映射:401/403 → UnauthorizedAccessException,404 → KeyNotFoundException,5xx → InvalidOperationException
- RepoBlacklist 黑名单(owner/repo 精确匹配,默认空)

部署:
- Dockerfile multi-stage,COPY --chown,non-root user
- .gitea/workflows/build-image.yml:build + deploy 双 job,buildkit v0.13.2
- 容器内 :8080,宿主端口 9092
- 子域名 git-mcp.zhengchentao.win(区别于 Gitea 本体 git.zhengchentao.win)

测试:6/6 单测过(GiteaRepoFilter 黑名单匹配)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-06 01:32:42 +08:00

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# ── Stage 1: build ──────────────────────────────────────────────
FROM mcr.microsoft.com/dotnet/sdk:10.0 AS builder
WORKDIR /src
# 先复制 csproj,单独 restore(利用层缓存)
COPY gitea-mcp.csproj .
RUN dotnet restore gitea-mcp.csproj
# 复制剩余源码并发布
COPY . .
RUN dotnet publish gitea-mcp.csproj \
-c Release \
-o /app/publish \
--no-restore
# ── Stage 2: runtime ────────────────────────────────────────────
FROM mcr.microsoft.com/dotnet/aspnet:10.0 AS runtime
# OCI 标签(CI 会在 build-push 时注入 revision
LABEL org.opencontainers.image.title="gitea-mcp"
LABEL org.opencontainers.image.description="MCP server exposing Gitea REST API to Claude via nas-auth JWT"
LABEL org.opencontainers.image.source="https://git.zhengchentao.win/zhengchen.tao/gitea-mcp"
LABEL org.opencontainers.image.licenses="MIT"
WORKDIR /app
# 非 root 用户运行(最小权限)。
# 先建用户、再 COPY --chown,确保拷进来的文件归属正确(不能依赖默认 644 让 appuser 兜底读)。
RUN adduser --disabled-password --gecos "" appuser
COPY --from=builder --chown=appuser:appuser /app/publish .
USER appuser
# 容器内监听 0.0.0.0:8080,宿主机映射到 9092
ENV ASPNETCORE_URLS=http://0.0.0.0:8080
ENV ASPNETCORE_ENVIRONMENT=Production
EXPOSE 8080
ENTRYPOINT ["dotnet", "gitea-mcp.dll"]