# 阶段一：构建前端资源
FROM node:20-alpine AS frontend-builder

# 安装前端构建依赖
RUN apk add --no-cache autoconf automake libtool make g++ zlib-dev nasm python3 libpng-dev

WORKDIR /frontend-app
COPY frontend/package.json frontend/package-lock.json* ./
RUN npm install --registry=https://registry.npmmirror.com --prefer-offline

COPY frontend/ ./
ARG VITE_API_URL=/api
ENV VITE_API_URL=${VITE_API_URL}
RUN npm run build


# 阶段二：构建后端及最终镜像
FROM python:3.12-slim

# 设置环境变量
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PYTHONIOENCODING=utf-8

# 安装系统依赖和 Nginx（使用本地缓存）
RUN apt-get update && apt-get install -y \
    gcc \
    libpq-dev \
    libffi-dev \
    libjpeg-dev \
    zlib1g-dev \
    nginx \
    && rm -rf /var/lib/apt/lists/* || true

# 配置后端工作目录
WORKDIR /app/backend

# 复制后端 requirements 文件并安装依赖
COPY backend/requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# 复制后端代码
COPY backend/ .

# 创建媒体和静态文件目录
RUN mkdir -p /app/backend/media /app/backend/static

# 从前端构建阶段复制静态文件到 Nginx 目录
COPY --from=frontend-builder /frontend-app/dist /usr/share/nginx/html

# 复制 Nginx 配置文件
COPY nginx-all-in-one.conf /etc/nginx/conf.d/default.conf

# 复制并配置启动脚本
COPY entrypoint.sh /app/entrypoint.sh
RUN chmod +x /app/entrypoint.sh

# 暴露 Nginx 端口
EXPOSE 8890

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
    CMD curl -f http://localhost:8890/health || exit 1

# 启动脚本
CMD ["/app/entrypoint.sh"]