# syntax=docker/dockerfile:1

# ============ Stage 1: Frontend build ============
FROM node:18-bookworm-slim AS frontend-builder

WORKDIR /app/frontend

COPY package*.json ./
RUN npm ci

COPY src ./src
COPY next-env.d.ts ./
COPY next.config.mjs ./
COPY postcss.config.mjs ./
COPY tailwind.config.ts ./
COPY tsconfig.json ./

# The stable baseline has no public directory. Keep one in the image so the
# runtime copy is deterministic and future static assets have a fixed home.
RUN mkdir -p public
RUN npm run build
RUN npm prune --omit=dev

# ============ Stage 2: Backend + runtime ============
FROM python:3.11-slim AS runtime

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONPATH=/app/backend \
    NODE_ENV=production

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    libpq-dev \
    nodejs \
    npm \
    postgresql-client \
    && rm -rf /var/lib/apt/lists/*

COPY backend/requirements.txt ./backend/
RUN pip install --no-cache-dir -r backend/requirements.txt

COPY backend ./backend

COPY --from=frontend-builder /app/frontend/.next ./frontend/.next
COPY --from=frontend-builder /app/frontend/public ./frontend/public
COPY --from=frontend-builder /app/frontend/package.json ./frontend/package.json
COPY --from=frontend-builder /app/frontend/node_modules ./frontend/node_modules

RUN mkdir -p /app/backend/xingbang_data/reviewers \
             /app/backend/xingbang_data/history \
             /app/backend/xingbang_data/team_experience \
             /app/backend/logs

COPY docker-entrypoint.sh /app/docker-entrypoint.sh
RUN chmod +x /app/docker-entrypoint.sh

EXPOSE 8002 3000

HEALTHCHECK --interval=30s --timeout=5s --start-period=120s --retries=3 \
  CMD node -e "Promise.all([fetch('http://127.0.0.1:3000/'), fetch('http://127.0.0.1:8002/')]).then(rs => process.exit(rs.every(r => r.ok) ? 0 : 1)).catch(() => process.exit(1))"

ENTRYPOINT ["/app/docker-entrypoint.sh"]