Your Stack

version: '3.8'
services:
  drupal:
    image: drupal:latest
    ports:
      - "80:80"
    depends_on:
      - mysql

    environment:
      DRUPAL_DB_HOST: ${APP_DB_HOST:-mysql}
      DRUPAL_DB_USER: ${APP_DB_USER:-app_user}
      DRUPAL_DB_PASSWORD: ${APP_DB_PASSWORD:-change_me_app_password}
      DRUPAL_DB_NAME: ${APP_DB_NAME:-drupal_db}
    restart: always

  mysql:
    image: mysql:latest
    ports:
      - "3306:3306"

    environment:
      MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD:-change_me_root_password}
      MYSQL_USER: ${APP_DB_USER:-app_user}
      MYSQL_PASSWORD: ${APP_DB_PASSWORD:-change_me_app_password}
      MYSQL_DATABASE: ${APP_DB_NAME:-drupal_db}
    volumes:
      - mysql_data:/var/lib/mysql
    restart: always

  traefik:
    image: traefik:latest
    ports:
      - "80:80"
      - "443:443"
    depends_on:
      - drupal

    command:
      - --providers.docker=true
      - --entrypoints.web.address=:80
      - --entrypoints.websecure.address=:443
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    restart: always

volumes:
  mysql_data: