compose.yaml

services:
  ### BACKEND (EXPRESS API)
  express-api:
    container_name: express-api
    tty: true
    init: true
    restart: on-failure
    healthcheck:
      test: ["CMD-SHELL", "node", "/app/healthcheck.js"] # Check health endpoint for healthy service.
      interval: 30s # Perform the health check every 30 seconds.
      timeout: 10s # Consider the health check a failure if it takes more than 10 seconds.
      retries: 5 # Retry the health check up to 5 times before considering the container unhealthy.
      start_period: 5s # How long to wait after the container starts to run the first health check.
    build:
      context: backend
      dockerfile: docker/Dockerfile
      args:
        - NODE_IMAGE_TAG=${NODE_IMAGE_TAG} # Node image tag
        - BACKEND_PORT=${BACKEND_PORT}
    env_file: .env
    environment:
      - MONGO_HOST=mongo
      - BACKEND_URL=http://localhost:${BACKEND_PORT:-3200}
      - RABBITMQ_URL=amqp://${RABBITMQ_DEFAULT_USER:-admin}:${RABBITMQ_DEFAULT_PASS:-pass}@rabbitmq:5672
    ports:
      - ${BACKEND_PORT:-3200}:3200
    volumes:
      - ./backend/src:/app/src
    depends_on:
      mongo:
        condition: service_healthy
      rabbitmq:
        condition: service_healthy
    networks:
      - app-network

  ### MONGO DATABASE
  mongo:
    container_name: mongo
    image: mongo:${MONGO_IMAGE_TAG:-8.0}
    restart: unless-stopped
    environment:
      - MONGO_INITDB_ROOT_USERNAME=${MONGO_USER:-admin}
      - MONGO_INITDB_ROOT_PASSWORD=${MONGO_PASSWORD:-password}
    volumes:
      - mongo_data:/data/db
    ports:
      - ${MONGO_EXTERNAL_PORT:-3300}:27017
    networks:
      - app-network
    healthcheck:
      test: ["CMD","mongosh", "--eval", "db.adminCommand('ping')"]
      interval: 30s # Perform the health check every 30 seconds.
      timeout: 10s # Consider the health check a failure if it takes more than 10 seconds.
      retries: 5 # Retry the health check up to 5 times before considering the container unhealthy.
      start_period: 10s # How long to wait after the container starts to run the first health check.

  ### RABBITMQ
  rabbitmq:
    image: rabbitmq:${RABBITMQ_IMAGE_TAG:-'4.0-alpine'}
    container_name: rabbitmq
    restart: always
    ports:
      - ${RABBITMQ_EXTERNAL_PORT:-3400}:5672    # RabbitMQ default port for clients
      - '15672:15672'                           # RabbitMQ Management UI port
    env_file: .env
    volumes:
      - rabbitmq_data:/var/lib/rabbitmq
    command: ["bash", "-c", "chmod 400 /var/lib/rabbitmq/.erlang.cookie; rabbitmq-server"]
    networks:
      - app-network
    healthcheck:
      test: ["CMD-SHELL", "rabbitmqctl status || exit 1"]
      interval: 30s # Perform the health check every 30 seconds.
      timeout: 10s # Consider the health check a failure if it takes more than 10 seconds.
      retries: 5 # Retry the health check up to 5 times before considering the container unhealthy.
      start_period: 10s # How long to wait after the container starts to run the first health check.

volumes:
  mongo_data:
  rabbitmq_data:

networks:
  app-network:
    driver: bridge