Docker compose file demo suitable for Drupal local development with PHP 7 and MariaDB 10

docker-compose.yml

version: '3'

services:
  web-app:
    image: erighetto/drupal-dev:latest
    ports:
      - "80:80"
    depends_on:
      - dbserver
    links:
      - dbserver
      - pma
      - mailhog
    volumes:
      - "./docroot:/var/www/html"
    environment:
      WEB_DOCUMENT_ROOT: "/var/www/html/web"
      PHP_IDE_CONFIG: "serverName=localhost"
      POSTFIX_RELAYHOST: "mailhog:1025"

  dbserver:
    image: mariadb:latest
    ports:
      - "3306:3306"
    environment:
      MYSQL_DATABASE: drupal
      MYSQL_ROOT_PASSWORD: root
      MYSQL_USER: drupal_usr
      MYSQL_PASSWORD: drupal_pwd

  mailhog:
    image: mailhog/mailhog:latest
    ports:
      - "1025:1025"
      - "8025:8025"

  pma:
    image: phpmyadmin/phpmyadmin:latest
    environment:
      PMA_HOST: dbserver
      PMA_USER: drupal_usr
      PMA_PASSWORD: drupal_pwd
      PHP_UPLOAD_MAX_FILESIZE: 1G
      PHP_MAX_INPUT_VARS: 1G
    ports:
      - "8080:80"