Docker Compose Example for PhpMyAdmin & MariaDB

docker-compose.yml

version: "3.7"

services:
  db:
    image: mariadb:latest
    restart: always
    volumes:
      - volDb:/var/lib/mysql
    environment:
      MYSQL_ROOT_PASSWORD: 1234
    networks:
      example-net:
    ports:
      - 3306:3306

  phpmyadmin:
    image: phpmyadmin/phpmyadmin:5.1
    restart: always
    depends_on:
      - db
    environment:
      PMA_HOST: db
      PMA_PORT: 3306
      PMA_USER: root
      PMA_PASSWORD: 1234
    ports:
      - "3333:80"
    networks:
      - example-net

volumes:
  volDb:

networks:
  example-net:
    driver: bridge

thanks