Dockerfile

# ===== 阶段1: 前端构建 =====
FROM node:20-alpine AS frontend-builder
WORKDIR /app/frontend
COPY frontend/package.json frontend/package-lock.json* ./
RUN npm install
COPY frontend/ .
RUN npm run build

# ===== 阶段2: 后端运行时 =====
FROM python:3.11-slim
WORKDIR /app

# 安装系统依赖
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# 安装 Python 依赖
COPY pyproject.toml ./
RUN pip install --no-cache-dir \
    fastapi>=0.111.0 \
    "uvicorn[standard]>=0.30.0" \
    "pydantic>=2.7.0" \
    "pydantic-settings>=2.3.0" \
    "sqlalchemy>=2.0.30" \
    "pyyaml>=6.0" \
    "regex>=2024.5.15" \
    "httpx>=0.27.0" \
    "openai>=1.30.0" \
    "python-multipart>=0.0.9" \
    "python-dotenv>=1.0.0" \
    "rich>=13.7.0"

# 按需安装的可选依赖（tree-sitter / chromadb / mcp）
RUN pip install --no-cache-dir \
    "tree-sitter>=0.22.0" \
    "tree-sitter-languages>=1.10.0" \
    "chromadb>=0.5.0" \
    "mcp>=1.0.0" \
    || echo "部分可选依赖安装失败，将降级运行"

# 复制后端代码
COPY linway/ ./linway/
COPY rules/ ./rules/

# 复制前端构建产物
COPY --from=frontend-builder /app/frontend/dist ./frontend/dist

# 环境变量默认值
ENV DATABASE_URL=sqlite:///./linway.db \
    DEBUG=false \
    CORS_ORIGINS=http://localhost:5173,http://localhost:3000 \
    PYTHONUNBUFFERED=1

EXPOSE 8000

# 健康检查
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/api/health')" || exit 1

CMD ["python", "-m", "linway.main"]