docker-compose.yml

# Use version 3 of docker-compose (latest at time of writing)
version: '3'

# Define the services
services:

  # Set up the service for the server
  app:
    # Build the current directory
    build: .
    # Ensure that node_modules aren't unnecessarily copied
    volumes:
      - ./:/app
      - /app/node_modules/
    # Set the container name
    container_name: ${SERVER_NAME}
    # Let the server know that it depends on redis, so that it can connect
    depends_on:
      - mongo
      - redis
    # Connect to the barq network
    networks:
      - barq-net
    # Define the ports on which the local machine will be able to access the server (local:container)
    ports:
      - "${SERVER_PORT}:${SERVER_PORT}"
    # Define the environment variables based on local .env
    environment:
      - ENV=${ENV}
      - SERVER_PORT=${SERVER_PORT}
      - MONGO_URL=${MONGO_DOCKER_URL}
      - MONGO_NAME=${MONGO_NAME}
      - MONGO_PORT=${MONGO_PORT}
      - REDIS_URL=${REDIS_DOCKER_URL}
      - REDIS_PORT=${REDIS_PORT}
      - STRIPE_SK=${STRIPE_SK}
    # Make sure to keep restarting the server if it fails
    restart: always
    # Run the appropriate command for starting the server when ready
    command: ./scripts/wait-for.sh ${MONGO_NAME}:${MONGO_PORT} -- npm run ${ENV}
     
  # Set up the mongo db for the backoffice services
  mongo:
    # Use the official latest stable mongo image
    image: mongo:4
    # Set the container name
    container_name: ${MONGO_NAME}
    # Designate a local directory to persist data
    volumes:
     - ./data/${MONGO_NAME}:/data/${MONGO_NAME}
    # Connect to the barq network
    networks:
      - barq-net
    # Expose the correct port for connections
    ports:
     - "${MONGO_PORT}:27017"
    # Make sure to keep restarting the server if it fails
    restart: always

  # Set up the redis cache for the frontoffice services (eventually)
  redis:
    # Use the official image of redis 5 (latest version at time of writing)
    image: redis:5
    # Set the container_name to have easy access to the cache
    container_name: ${REDIS_NAME}
    # Set the volumes for potentially persisting data
    volumes: 
      - ./data/${REDIS_NAME}:/data/${REDIS_NAME}
    # Set the network mode to bridge to prevent making new networks
    networks:
      - barq-net
    # Set the ports
    ports:
      - "${REDIS_PORT}:6379"
    # Make sure to keep restarting the server if it fails
    restart: always

networks:

  barq-net:
    driver: bridge