Tolan/frontend/Dockerfile.prod

# 前端生产环境 Dockerfile
# 多阶段构建，减小镜像大小

# 构建阶段
FROM node:18-alpine AS builder

# 设置工作目录
WORKDIR /app

# 复制 package 文件
COPY package*.json ./

# 安装依赖
RUN npm ci --only=production

# 复制源代码
COPY . .

# 构建参数
ARG REACT_APP_WS_URL=ws://localhost:8765
ARG REACT_APP_ENV=production

# 设置环境变量
ENV REACT_APP_WS_URL=$REACT_APP_WS_URL
ENV REACT_APP_ENV=$REACT_APP_ENV
ENV NODE_ENV=production

# 构建应用
RUN npm run build

# 生产阶段
FROM nginx:alpine

# 安装额外工具
RUN apk add --no-cache curl

# 删除默认配置
RUN rm /etc/nginx/conf.d/default.conf

# 复制构建结果
COPY --from=builder /app/build /usr/share/nginx/html

# 复制 Nginx 配置
COPY nginx.default.conf /etc/nginx/conf.d/default.conf

# 创建非 root 用户
RUN addgroup -g 1001 -S nginx-user && \
    adduser -S nginx-user -G nginx-user

# 设置权限
RUN chown -R nginx-user:nginx-user /usr/share/nginx/html && \
    chown -R nginx-user:nginx-user /var/cache/nginx && \
    chown -R nginx-user:nginx-user /var/log/nginx && \
    chown -R nginx-user:nginx-user /etc/nginx/conf.d && \
    touch /var/run/nginx.pid && \
    chown -R nginx-user:nginx-user /var/run/nginx.pid

# 切换用户
USER nginx-user

# 暴露端口
EXPOSE 8080

# 健康检查
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8080/ || exit 1

# 启动 Nginx
CMD ["nginx", "-g", "daemon off;"]