FROM node:14-alpine

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --only=production

# Copy source code
COPY . .

# Build TypeScript
RUN npm run build

# Expose port
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:5000/api/health', (r) => {if (r.statusCode !== 200) throw new Error(r.statusCode)})"

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