compose.yml

version: '3.9'  # Define the Docker Compose version

services:
  frontend:
    build:
      context: ./client  # Directory where the frontend (React) Dockerfile is located
      dockerfile: Dockerfile  # Dockerfile used to build the frontend service
    container_name: mern_frontend  # Name of the container for frontend service
    ports:
      - "5000:5000"  # Map port 5000 of the host to port 5000 in the container
    networks:
      - mern-network  # Connect this service to the 'mern-network' network

  backend:
    build:
      context: .  # Directory where the backend (Node.js/Express) Dockerfile is located
      dockerfile: Dockerfile  # Dockerfile used to build the backend service
    container_name: mern_backend  # Name of the container for backend service
    environment:
      MONGODB_URL: mongodb://mern_mongo:27017/mernapp  # MongoDB connection string
      CLOUDINARY_URL: https://cloudinary-marketing-res.cloudinary.com/image/upload/w_1000/q_auto/f_auto/landmannalaugar_iceland.jpg  # Example Cloudinary URL
      NODE_ENV: production  # Set the environment to production
      ACCESS_TOKEN_SECRET: 17746946c1369b46943ad3baabe799a8450a760a51ab1348c4f02d3c5067b47f  # JWT secret for access tokens
      REFRESH_TOKEN_SECRET: 1f584563422ddf8c020150aebd24184705c98af198983e69499ce7bb95761e87  # JWT secret for refresh tokens
    depends_on:
      - mongo  # Ensure MongoDB starts before this service
    ports:
      - "8080:8080"  # Map port 8080 of the host to port 8080 in the container
    networks:
      - mern-network  # Connect this service to the 'mern-network' network

  mongo:
    image: mongo:latest  # Use the latest MongoDB image
    container_name: mern_mongo  # Name of the container for MongoDB
    ports:
      - "27017:27017"  # Map port 27017 of the host to port 27017 in the container
    volumes:
      - mongo-data:/data/db  # Persist MongoDB data in a named volume
    networks:
      - mern-network  # Connect this service to the 'mern-network' network

  mongo-express:
    image: mongo-express:latest  # Use the latest Mongo Express image
    container_name: mern_mongo_express  # Name of the container for Mongo Express (GUI for MongoDB)
    environment:
      ME_CONFIG_MONGODB_URL: mongodb://mern_mongo:27017/mernapp  # MongoDB connection string for Mongo Express
    depends_on:
      - mongo  # Ensure MongoDB starts before this service
    ports:
      - "8081:8081"  # Map port 8081 of the host to port 8081 in the container
    networks:
      - mern-network  # Connect this service to the 'mern-network' network

  nginx:
    image: nginx:latest  # Use the latest NGINX image
    container_name: mern_nginx  # Name of the container for NGINX
    ports:
      - "8082:80"  # Map port 8082 of the host to port 80 in the container (HTTP)
      - "8443:443"  # Map port 8443 of the host to port 443 in the container (HTTPS)
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro  # Mount the custom NGINX config file
      - ./ssl/localhost.crt:/etc/ssl/certs/localhost.crt  # SSL certificate for HTTPS
      - ./ssl/localhost.key:/etc/ssl/private/localhost.key  # SSL key for HTTPS
    depends_on:
      - frontend  # Ensure frontend starts before this service
      - backend  # Ensure backend starts before this service
    networks:
      - mern-network  # Connect this service to the 'mern-network' network

  webgoat:
    image: webgoat/webgoat  # WebGoat image for security testing
    container_name: webgoat  # Name of the container for WebGoat
    ports:
      - "3000:8080"  # Map port 3000 of the host to port 8080 in the container
      - "3001:9090"  # Map port 3001 of the host to port 9090 in the container
    networks:
      - mern-network  # Connect this service to the 'mern-network' network

networks:
  mern-network:  # Define the 'mern-network' network for all services to communicate

volumes:
  mongo-data:  # Define a named volume to persist MongoDB data