docker-compose.yml

# docker-compose.yml

services:
  # Backend service (Node.js API)
  backend:
    # Build the backend container using the Dockerfile inside the backend folder
    build: ./server

    # Map the container port 3000 to the host port 3000
    ports:
      - "3000:3000"

    # Create a container named 'backend' for easier reference
    container_name: backend

    # Connect the backend to the shared app network
    networks:
      - app-network


  # Frontend service (React app)
  frontend:
    # Build the frontend container using the Dockerfile inside the frontend folder
    build: ./client

    # Map the container port 3001 to the host port 3001
    ports:
      - "3001:3001"

    # Wait for the backend service to start before running the frontend
    depends_on:
      - backend

    # Set environment variable(s) for the frontend
    environment:
      - PORT=3001

    # Create a container named 'frontend' for easier reference
    container_name: frontend

    # Connect the frontend to the same app network
    networks:
      - app-network


# Define a shared network so both containers can communicate (Docker does this automatically by default)
networks:
  app-network:
    driver: bridge