compose.yml

services:
  mysql:
    image: mysql:8.0
    environment:
      MYSQL_RANDOM_ROOT_PASSWORD: "yes"
    volumes:
      - mysqlsockdir:/var/run/mysqld
      - mysqlvol:/var/lib/mysql
    configs:
      - source: init_sql
        target: /docker-entrypoint-initdb.d/init-mysql-docker-compose.sql
      - source: mysql_cnf
        target: /etc/mysql/conf.d/docker-mysql.cnf
    network_mode: none
    healthcheck:
      test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
      interval: 1s
      timeout: 2s
      retries: 10
  rails-init-db:
    build: .
    volumes:
      - mysqlsockdir:/var/run/mysqld
    depends_on:
      mysql:
        condition: service_healthy
    command: ["/app/bin/init"]
  rails:
    build: .
    volumes:
      - mysqlsockdir:/var/run/mysqld
      - ./app:/app/app:ro
      - ./bin:/app/bin:ro
      - ./config:/app/config:ro
      - ./public:/app/public:ro
    ports:
      - "3000:3000"
    network_mode: bridge
    depends_on:
      rails-init-db:
        condition: service_completed_successfully
    command: rails s -p 3000 -b 0.0.0.0

configs:
  init_sql:
    file: init-mysql-docker-compose.sql
  mysql_cnf:
    file: docker-mysql.cnf
volumes:
  mysqlsockdir:
  mysqlvol: