# API Server Dockerfile
FROM node:18-alpine

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install only production dependencies
RUN npm ci --only=production

# Copy database and server files
COPY database ./database
COPY server.js .

# Expose API port
EXPOSE 3001

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3001/api/categories', (r) => {if (r.statusCode !== 200) throw new Error(r.statusCode)})"

# Start the API server
CMD ["node", "server.js"]