# Multi-stage build for Litter Scouts frontend
FROM node:20-alpine AS frontend-builder

WORKDIR /app

# Copy frontend package files
COPY package*.json ./
RUN npm ci

# Copy frontend source
COPY . .

# Build frontend
RUN npm run build

# Backend builder stage
FROM node:20-alpine AS backend-builder

WORKDIR /app

# Copy backend package files
COPY server/package*.json ./
RUN npm ci

# Copy backend source and prisma
COPY server/ ./

# Generate Prisma client
RUN npx prisma generate

# Build backend
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Install production dependencies for backend
COPY server/package*.json ./
RUN npm ci --only=production

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

# Copy built frontend to serve statically
COPY --from=frontend-builder /app/dist ./public

# Create uploads directory
RUN mkdir -p ./uploads

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s \
  CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start the application
CMD ["node", "dist/index.js"]