# ============================================================
# Stage 1 — Build the React frontend
# ============================================================
FROM node:22-slim AS frontend-build

WORKDIR /app/frontend

# Copy package files first for better layer caching
COPY frontend/package.json frontend/package-lock.json ./

# Install dependencies
RUN npm ci --production=false

# Copy the rest of the frontend source
COPY frontend/ .

# Build-time env vars — these are PUBLIC client-side keys that get baked
# into the JS bundle. They are NOT secrets (visible in browser devtools).
ENV VITE_FIREBASE_API_KEY=AIzaSyAjBBEyjCTg813dfDxstJmw1xQ390AaEko
ENV VITE_FIREBASE_AUTH_DOMAIN=socialshareandcarengo.firebaseapp.com
ENV VITE_FIREBASE_PROJECT_ID=socialshareandcarengo
ENV VITE_FIREBASE_STORAGE_BUCKET=socialshareandcarengo.firebasestorage.app
ENV VITE_FIREBASE_MESSAGING_SENDER_ID=233936256945
ENV VITE_FIREBASE_APP_ID=1:233936256945:web:4ce50f81d085c00c1bc790
ENV VITE_FIREBASE_MEASUREMENT_ID=G-9J43PT6H4G
ENV VITE_RAZORPAY_KEY_ID=rzp_test_SKJ5P6PFqYPrNt
ENV VITE_API_URL=/api

# Build the production bundle
RUN npm run build


# ============================================================
# Stage 2 — Production Python runtime
# ============================================================
FROM python:3.11-slim

# Install curl for health-check probes
RUN apt-get update && apt-get install -y --no-install-recommends curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# ── Python dependencies ────────────────────────────────────
COPY backend/requirements.txt ./requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# ── Backend source code ────────────────────────────────────
COPY backend/ ./backend/

# ── Built frontend (from Stage 1) ──────────────────────────
COPY --from=frontend-build /app/frontend/dist ./frontend/dist

# ── Expose a single port ───────────────────────────────────
ENV PORT=7860
EXPOSE 7860

# ── Health check ───────────────────────────────────────────
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD curl -f http://localhost:7860/api/health || exit 1

# ── Start with Gunicorn (production WSGI server) ──────────
CMD ["gunicorn", \
    "--bind", "0.0.0.0:7860", \
    "--workers", "4", \
    "--timeout", "120", \
    "--access-logfile", "-", \
    "--error-logfile", "-", \
    "--chdir", "/app/backend", \
    "app:app"]