docker-compose.yml

version: "2"

services:
  lb:
    # The load balancer container. Built from the lb/Dockerfile.
    container_name: idb_lb
    build: lb
    restart: unless-stopped
    networks:
      - backend
    ports:
      - "80:80"
    image: cs373sweg/idb_lb

  app:
    # The app container. Built from the app/Dockerfile.
    build: app
    restart: unless-stopped
    networks:
      backend:
        aliases:
          # All app servers be referred to by this alias with the backend network
          - apps
    environment:
      # Environment variables to configure the app on startup.
      - MYSQL_DATABASE=cars_db
      - MYSQL_HOST=sweetrides
    image: cs373sweg/idb_app
    expose:
      # Expose port 8000 so it's only visibile on the container, not the host
      - "8000"
    env_file: idb-mysql.env
    command: gunicorn app:app --bind 0.0.0.0:8000

  db:
    # The database container. Built from the db/Dockerfile.
    container_name: idb_db
    build: db
    restart: unless-stopped
    networks:
      - backend
    environment:
      # Environment variables to configure MySQL on startup.
      - MYSQL_DATABASE=sweetrides
    image: cs373sweg/idb_db
    expose:
      # Expose port 3306 so it's only visibile on the container, not the host
      - "3306"
    env_file:
      - idb-mysql.env
      - idb-mysql-root.env
    volumes_from:
      # Mount the volumes from the data container to store our MySQL files
      - data

  data:
    container_name: idb_db_data
    # The Data Volume Container used to mount a volume to store our persistent data
    # https://getcarina.com/docs/tutorials/data-volume-containers/
    image: cirros
    volumes:
      # Mount this path as a volume to store our MySQL files
      - /var/lib/mysql
    command: /bin/true
      # Run a trivial command to exit quickly. Volumes don't need a running container.

networks:
  backend: {}