# ── Stage 1: Build ───────────────────────────────────────────────────────
FROM bytelyst-common-base-backend:latest AS builder

WORKDIR /app/backend

# Copy backend package files
COPY backend/package.json ./package.json
COPY backend/tsconfig.json ./tsconfig.json

# Install backend-specific dependencies (including devDependencies for building)
RUN pnpm install --ignore-scripts

# Copy source code
COPY backend/src/ ./src/
COPY shared/ ../shared/

# Build backend
RUN pnpm run build

# ── Stage 2: Production ───────────────────────────────────────────────────
FROM bytelyst-common-base-backend:latest

WORKDIR /app/backend

# Copy backend package files
COPY backend/package.json ./package.json

# Install backend-specific dependencies
RUN pnpm install --prod --ignore-scripts

# Copy built artifacts from builder
COPY --from=builder /app/backend/dist ./dist
COPY --from=builder /app/backend/node_modules ./node_modules
COPY shared/ ../shared/

# Environment
ENV NODE_ENV=production

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:4016/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

EXPOSE 4016
CMD ["node", "dist/server.js"]