compose.yaml

services:
  # Frontend service (React + Vite)
  frontend:
    build:
      context: ./app/frontend # Directory where the Dockerfile is located
      dockerfile: Dockerfile # Name of the Dockerfile to use
    ports:
      - "5173:5173" # Exposes port 5173 to access Vite from the host
    environment:
      - CHOKIDAR_USEPOLLING=true # Enables hot-reload on Docker Desktop (Windows/macOS)
    volumes:
      - ./app/frontend/index.html:/app/index.html
      - ./app/frontend/src:/app/src
      - ./app/frontend/public:/app/public
      - ./app/frontend/vite.config.ts:/app/vite.config.ts
    command: ["npm", "run", "dev", "--host"] # Start Vite in development mode (hot reload enabled)

    # Unused options, but useful in other cases
    # restart: always # Recreate the container in case of failure
    # depends_on:
    #   - backend # Wait for the backend to be ready (useful if necessary)
    networks:
      - front_network # To be configured if a specific network is required

  # Backend service (Express.js)
  backend:
    build:
      context: ./app/backend # Directory where the Dockerfile is located
      dockerfile: Dockerfile # Name of the Dockerfile to use
    ports:
      - "3310:3310" # Exposes port 3310 to access the backend from the host
    environment:
      - CHOKIDAR_USEPOLLING=true # Enables hot-reload on Docker Desktop (Windows/macOS)
      - DB_HOST=db
    env_file:
      - ./app/backend/.env # Loads environment variables from a file
    volumes:
      - ./app/backend/src:/app/src
    command: ["npm", "start"] # Start the Express.js server (hot reload enabled with nodemon if configured)
    depends_on:
      db:
        condition: service_healthy
    networks:
      - front_network
      - app_network

    # Unused options, but useful in other cases
    # restart: always # Recreate the container in case of failure

  db:
    image: postgres:15
    restart: always # Recreate the container in case of failure
    ports:
      - "5432:5432"
    environment:
      - POSTGRES_DB=the_good_corner
      - POSTGRES_USER=the_good_corner
      - POSTGRES_PASSWORD=the_good_corner_password
    volumes:
      - db_data:/var/lib/postgresql/data
    networks:
      - app_network
    healthcheck: # To ensure that PostgreSQL is ready before starting the backend.
      test:
        [
          "CMD-SHELL",
          "pg_isready -U the_good_corner -d the_good_corner -h localhost",
        ]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 5s

# Networks (useful for isolating services)
networks:
  app_network:
    driver: bridge
  front_network:
    driver: bridge

# Volumes (to persist data like databases)
volumes:
  db_data: # Volume for the database
    driver: local