java-tutorials/docker-modules/docker-compose/multiple-mounts/bind_mount_and_volume.yml

services:
  mysql-db:
    image: mysql:latest
    environment:
      - MYSQL_ROOT_PASSWORD=password
      - MYSQL_ROOT_HOST=localhost
    ports:
      - '3306:3306'
    volumes:
      - first-volume-data:/var/lib/mysql
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql

volumes:
  first-volume-data:
    external: true