Files
val-blog/gch3n-infra/app/Dockerfile
T

40 lines
766 B
Docker

# 多阶段构建
FROM node:20-alpine AS builder
WORKDIR /app
# 复制依赖文件
COPY package*.json ./
RUN npm ci --only=production
# 生产阶段
FROM node:20-alpine
WORKDIR /app
# 安装必要工具(健康检查用)
RUN apk add --no-cache wget
# 创建非 root 用户
RUN addgroup -g 1001 -S nodejs && \
adduser -S app -u 1001
# 复制依赖
COPY --from=builder --chown=app:nodejs /app/node_modules ./node_modules
# 复制应用代码
COPY --chown=app:nodejs . .
# 切换到非 root 用户
USER app
# 暴露端口
EXPOSE 3000
# 健康检查
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD wget --quiet --tries=1 --spider http://localhost:${PORT:-3000}/health || exit 1
# 启动应用
CMD ["node", "server.js"]