# Backend Dockerfile
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build TypeScript
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Copy package files and install production deps only
COPY package*.json ./
RUN npm ci --only=production

# Copy built code
COPY --from=builder /app/dist ./dist

EXPOSE 3001

CMD ["node", "dist/index.js"]