# 构建阶段
FROM node:18-alpine as build-stage

# 切换 Alpine 镜像源为阿里云
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories

WORKDIR /app

# 设置环境变量
ARG NODE_ENV=production
ENV NODE_ENV=${NODE_ENV}

# 添加构建时间戳，用于破除缓存
ARG BUILD_TIMESTAMP=$(date +%s)
ENV BUILD_TIMESTAMP=${BUILD_TIMESTAMP}

# 输出构建环境信息
RUN echo "Building for environment: ${NODE_ENV}"
RUN echo "Build timestamp: ${BUILD_TIMESTAMP}"

# 复制 package.json 和 package-lock.json
COPY package*.json ./

RUN npm config set registry http://mirrors.cloud.tencent.com/npm/

# 安装依赖
RUN npm install --production=false

# 复制源代码
COPY . .

# 构建应用
RUN npm run build

# 生产阶段
FROM nginx:stable-alpine as production-stage

# 安装基础工具
RUN apk add --no-cache bash curl

# 创建必要的目录并设置权限
RUN mkdir -p /var/cache/nginx/client_temp \
    /var/cache/nginx/proxy_temp \
    /var/cache/nginx/fastcgi_temp \
    /var/cache/nginx/uwsgi_temp \
    /var/cache/nginx/scgi_temp \
    && chmod 700 /var/cache/nginx/* \
    && chown -R nginx:nginx /var/cache/nginx

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

# 从构建阶段复制构建结果
COPY --from=build-stage /app/dist /usr/share/nginx/html

# 修改目录权限
RUN chown -R nginx:nginx /usr/share/nginx/html \
    && chmod -R 755 /usr/share/nginx/html \
    && chown -R nginx:nginx /var/log/nginx \
    && chmod -R 755 /var/log/nginx \
    && touch /var/run/nginx.pid \
    && chown -R nginx:nginx /var/run/nginx.pid

# 使用非root用户运行
USER nginx

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]