50 lines
2.1 KiB
Docker
50 lines
2.1 KiB
Docker
# 文件快传 Go 版多阶段构建：
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# 1) node:20-alpine 构建 Vue 前端产物（web/dist）
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# 2) golang:1.27.1-alpine 编译 server（go:embed 前端产物，缓存指向 /tmp 避免写权限问题）
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# 3) 最小运行时镜像：server 二进制 + web/dist 静态产物
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# NPM_REGISTRY：CI/受限网络下注入 npm 镜像源（默认官方源）
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ARG NPM_REGISTRY=https://registry.npmjs.org
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FROM node:20-alpine AS frontend
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ARG NPM_REGISTRY
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WORKDIR /build
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RUN npm config set registry "$NPM_REGISTRY"
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COPY web/package.json web/package-lock.json* ./
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RUN npm ci || npm install
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COPY web/ ./
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RUN npm run build
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FROM golang:1.27.1-alpine AS backend
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WORKDIR /build
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# GOPROXY：默认走 goproxy.cn（proxy.golang.org 的 GCS 后端在本环境网络下 EOF/超时），direct 兜底
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ENV CGO_ENABLED=0 GOSUMDB=off GOPROXY=https://goproxy.cn,direct GOCACHE=/tmp/.gocache GOMODCACHE=/tmp/.gomodcache
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# 先拷贝 go.mod/go.sum 利用层缓存
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COPY server/go.mod server/go.sum ./
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RUN go mod download
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COPY server/ ./
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# 前端产物嵌入（go:embed 目标目录 server/web/dist）：
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# 优先用宿主预构建产物 web-embed/（构建前由 `cp -a web/dist web-embed/` 维护，
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# 保证 embed 与前端最新修正一致）；为空/缺失时回退跨阶段 COPY（CI 兜底）
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COPY --from=frontend /build/dist ./frontend-dist
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COPY web-embed/ ./web-embed/
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RUN if [ -f web-embed/index.html ]; then \
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rm -rf web/dist && cp -a web-embed/. web/dist/; \
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else \
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rm -rf web/dist && cp -a frontend-dist/. web/dist/; \
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fi \
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&& rm -rf web-embed frontend-dist
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RUN go build -trimpath -ldflags "-s -w" -o /out/server ./cmd/server
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FROM alpine:3.20
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# curl 供容器健康检查使用
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RUN apk add --no-cache ca-certificates tzdata curl && adduser -D -u 10001 fcb
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WORKDIR /app
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COPY --from=backend /out/server /app/server
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# dist 随镜像分发（服务端已 go:embed，磁盘副本供运维检查/替换）
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COPY --from=backend /build/web/dist /app/web/dist
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RUN mkdir -p /app/data && chown -R fcb:fcb /app
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USER fcb
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ENV FCB_LISTEN=:8466
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EXPOSE 8466
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VOLUME ["/app/data"]
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ENTRYPOINT ["/app/server"]
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