# ---- Frontend build ----
FROM --platform=$BUILDPLATFORM node:22-alpine AS frontend-build
WORKDIR /app
COPY package.json pnpm-lock.yaml .npmrc ./
RUN corepack enable && corepack prepare pnpm@10 --activate && pnpm install
COPY . .
RUN pnpm build

# ---- Python deps build（带 gcc 编译，产物仅用于复制）----
FROM python:3.11-slim AS python-deps
WORKDIR /app
RUN apt-get update && apt-get install -y --no-install-recommends gcc \
    && rm -rf /var/lib/apt/lists/*
COPY backend/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
# 删除字节码缓存，减小体积
RUN find /usr/local/lib/python3.11 -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true

# ---- Final runtime ----
FROM python:3.11-slim
WORKDIR /app

# 仅复制已编译好的包，无需 gcc
COPY --from=python-deps /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages

COPY backend/ .
COPY --from=frontend-build /app/dist ./dist

EXPOSE 8000
CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]