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# =============================================================================
# CS2 饰品价格波动监控系统 — Docker 多阶段构建
# Stage 1: 构建前端(Node.js)
# Stage 2: 构建后端镜像(Python)
# =============================================================================
# -----------------------------------------------------------------------------
# Stage 1: 前端构建
# -----------------------------------------------------------------------------
FROM node:20-slim AS frontend-builder
WORKDIR /app/frontend
# 先复制依赖文件,利用 Docker 层缓存
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci
# 复制前端源码并构建
COPY frontend/ .
RUN npm run build
# -----------------------------------------------------------------------------
# Stage 2: Python 后端运行时
# -----------------------------------------------------------------------------
FROM python:3.12-slim
# 安装系统依赖(curl 用于健康检查)
RUN apt-get update && apt-get install -y --no-install-recommends curl \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
# 先复制依赖文件,利用 Docker 层缓存
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
# 复制后端源码
COPY . .
# 将前端构建产物复制到正确位置(与 web/app.py 查找路径一致)
COPY --from=frontend-builder /app/frontend/dist /app/frontend/dist
# 数据目录(SQLite 数据库文件挂载点)
RUN mkdir -p /app/data
# 暴露端口
EXPOSE 8080
# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
CMD curl -fs http://localhost:8080/api/health || exit 1
# 启动命令
CMD ["python", "main.py"]