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# ================================
# 阶段1: 构建阶段
# ================================
FROM node:20-alpine AS builder
# 设置环境变量 - 跳过 Puppeteer 下载
ENV PUPPETEER_SKIP_DOWNLOAD=true
# 设置工作目录
WORKDIR /app
# 配置 npm 使用淘宝镜像加速
RUN npm config set registry https://registry.npmmirror.com
# 复制package.json和package-lock.json
COPY package*.json ./
# 安装编译依赖(sqlite3 等 native 模块需要)+ 安装所有依赖 + 清理缓存(合并为一层)
RUN apk add --no-cache python3 py3-setuptools make g++ && \
npm ci && \
npm cache clean --force
# 复制源代码
COPY . .
# 构建应用
RUN npm run build
# ================================
# 阶段2: 生产阶段(优化后)
# ================================
FROM node:20-alpine AS production
# 设置环境变量
ENV NODE_ENV=production \
PORT=3000 \
PUPPETEER_SKIP_DOWNLOAD=true \
PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser
# 安装运行时依赖(移除编译工具:python3, py3-setuptools, make, g++)
# 只保留 Chromium 和必要的运行时库
RUN apk add --no-cache \
chromium \
nss \
freetype \
harfbuzz \
ca-certificates \
ttf-freefont \
font-noto-emoji && \
# 清理 apk 缓存
rm -rf /var/cache/apk/*
# 创建非root用户
RUN addgroup -g 1001 -S nodejs && \
adduser -S nodejs -u 1001
# 设置工作目录
WORKDIR /app
# 从构建阶段复制 package.json(用于记录依赖版本)
COPY --from=builder --chown=nodejs:nodejs /app/package*.json ./
# 从构建阶段直接复制已编译的 node_modules(避免重复安装)
COPY --from=builder --chown=nodejs:nodejs /app/node_modules ./node_modules
# 从构建阶段复制编译后的代码
COPY --from=builder --chown=nodejs:nodejs /app/dist ./dist
# 创建数据目录
RUN mkdir -p /app/data /app/logs && \
chown -R nodejs:nodejs /app
# 切换到非root用户
USER nodejs
# 暴露端口
EXPOSE 3000
# 健康检查
HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
# 启动应用
CMD ["node", "dist/main.js"]