# 构建阶段
FROM node:18-alpine AS builder

# 设置工作目录
WORKDIR /app

# 设置npm镜像源
RUN npm config set registry https://registry.npmmirror.com

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

# 安装依赖
RUN npm install

# 复制源代码
COPY . .

# 构建生产环境项目
RUN npm run build:prod

# 运行阶段
FROM nginx:1.25-alpine

# 安装curl和envsubst用于健康检查和环境变量替换
RUN apk add --no-cache curl gettext

# 删除默认nginx配置
RUN rm -rf /etc/nginx/conf.d/*

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

# 复制构建产物
COPY --from=builder /app/dist /usr/share/nginx/html

# 暴露端口
EXPOSE 80

# 使用envsubst替换环境变量，然后启动Nginx
CMD sh -c "envsubst '\$NGINX_PORT' < /etc/nginx/conf.d/default.conf > /tmp/nginx.conf && mv /tmp/nginx.conf /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'"