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# PixelPunk Docker 镜像
# 多阶段构建,优化镜像大小
# ============================================
# 阶段 1: 构建前端
# ============================================
FROM node:18-alpine AS frontend-builder
WORKDIR /app/web
# 复制前端依赖文件
COPY web/package*.json ./
COPY web/pnpm-lock.yaml ./
# 启用 corepack 并安装依赖(lockfileVersion 5.4 需要 pnpm v7)
# 使用缓存挂载加速 pnpm 下载
RUN --mount=type=cache,target=/root/.local/share/pnpm/store \
corepack enable && \
corepack prepare pnpm@7.33.7 --activate && \
pnpm install --frozen-lockfile
# 复制前端源代码
COPY web/ ./
# 构建前端
RUN pnpm run build
# ============================================
# 阶段 2: 构建后端
# ============================================
FROM golang:1.23-alpine AS backend-builder
# 安装构建依赖(包括 WebP 支持)
RUN apk add --no-cache \
gcc \
g++ \
make \
pkgconfig \
libwebp-dev \
musl-dev
WORKDIR /app
# 复制 Go 依赖文件
COPY go.mod go.sum ./
# 配置 Go 代理并下载依赖(使用缓存挂载加速)
ENV GOPROXY=https://goproxy.cn,https://goproxy.io,https://proxy.golang.org,direct
RUN --mount=type=cache,target=/go/pkg/mod \
go mod download
# 复制后端源代码
COPY . .
# 复制前端构建产物到后端静态目录
RUN rm -rf internal/static/dist
COPY --from=frontend-builder /app/web/dist ./internal/static/dist
# 构建后端(启用 CGO 支持 WebP,使用缓存加速编译)
RUN --mount=type=cache,target=/go/pkg/mod \
--mount=type=cache,target=/root/.cache/go-build \
CGO_ENABLED=1 \
GOOS=linux \
go build \
-ldflags="-w -s -X main.Version=docker" \
-o pixelpunk \
./cmd/main.go
# ============================================
# 阶段 3: 运行时镜像
# ============================================
FROM alpine:latest
# 安装运行时依赖
RUN apk add --no-cache \
ca-certificates \
tzdata \
libwebp \
libstdc++ \
libgcc \
&& rm -rf /var/cache/apk/*
# 设置时区(默认上海)
ENV TZ=Asia/Shanghai
WORKDIR /app
# 从构建阶段复制二进制文件
COPY --from=backend-builder /app/pixelpunk .
# 创建必要的目录
RUN mkdir -p configs data logs uploads
# 复制配置文件模板和启动脚本
COPY configs/config.example.yaml ./configs/config.example.yaml
COPY configs/config.docker.yaml ./configs/config.docker.yaml
COPY docker-entrypoint.sh ./
# 设置权限
RUN chmod +x pixelpunk docker-entrypoint.sh
# 暴露端口
EXPOSE 9520
# 健康检查
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:9520/health || exit 1
# 使用 entrypoint 脚本进行配置文件初始化
ENTRYPOINT ["./docker-entrypoint.sh"]
# 启动应用
CMD ["./pixelpunk"]