docker compose for cakephp and mysql

gistfile1.txt

version: "3.1"
services:
    mysql:
      image: mysql:5.7
      container_name: cakemysql
      working_dir: /application
      volumes:
        - .:/application
        - ./tmp/data/mysql_db:/var/lib/mysql
      environment:
        - MYSQL_ROOT_PASSWORD=root
        - MYSQL_DATABASE=my_app
        - MYSQL_USER=my_app
        - MYSQL_PASSWORD=secret
      command: mysqld --character-set-server=utf8 --collation-server=utf8_unicode_ci --init-connect='SET NAMES UTF8;' --innodb-flush-log-at-trx-commit=0
      ports:
        - "3306:3306"

    php:
      image: webdevops/php-apache:7.3
      container_name: cakephp
      working_dir: /application/webroot
      volumes:
        - ./:/application
      environment:
        - WEB_DOCUMENT_ROOT=/application/webroot
        - DATABASE_URL=mysql://my_app:secret@cakemysql/my_app
      ports:
        - "80:80"