# Stage 1: Build frontend (use Debian-based node to avoid Alpine musl/rollup issues)
FROM node:20 AS frontend-build
WORKDIR /app/frontend
ENV NODE_ENV=development
COPY frontend/package*.json ./
RUN rm -f package-lock.json && npm install --legacy-peer-deps
COPY frontend/ ./
RUN npm run build

# Stage 2: Build backend
FROM node:20 AS backend-build
WORKDIR /app/backend
ENV NODE_ENV=development
COPY backend/package*.json ./
RUN npm install
COPY backend/ ./
# Copy prisma schema for generation
RUN npx prisma generate --schema=src/prisma/schema.prisma
RUN npm run build

# Stage 3: Production (Debian slim — same glibc as build, no musl/OpenSSL issues)
FROM node:20-slim
WORKDIR /app

RUN apt-get update && apt-get install -y openssl curl --no-install-recommends && rm -rf /var/lib/apt/lists/*

# Copy backend
COPY --from=backend-build /app/backend/dist ./dist
COPY --from=backend-build /app/backend/node_modules ./node_modules
COPY --from=backend-build /app/backend/src/prisma ./prisma
COPY backend/package.json ./package.json

# Copy frontend build — served by Express at /app/public
COPY --from=frontend-build /app/frontend/dist ./public

COPY start.sh ./
RUN chmod +x start.sh

EXPOSE 3000

CMD ["./start.sh"]