docker-compose for mysql, wordpress, and moodle

docker-compose.yml

version: '3.4'

services:
  db:
    image: mysql:5.7
    command: >
                --max_allowed_packet=100M
                --character-set-server=utf8
                --collation-server=utf8_unicode_ci
                --innodb_file_format=barracuda
                --innodb_file_per_table=On
                --innodb_large_prefix=On
    volumes:
      - ./db_data:/docker-entrypoint-initdb.d
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_USER: service
      MYSQL_PASSWORD: service
    networks:
      - service_site
      
  wordpress:
    depends_on:
      - db
    image: wordpress:latest
    ports:
      - '8000:80'
    restart: always
    volumes: ['./wp/:/var/www/html']
    environment:
      WORDPRESS_DB_NAME: wordpress
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: root
      WORDPRESS_DB_PASSWORD: root
    networks:
      - service_site
      
  moodle:
    image: 'moodlehq/moodle-php-apache:7.3'
    depends_on:
      - db
    volumes:
      - './moodle/moodle_data:/var/www/html'
      - './moodle/assets/web/apache2_faildumps.conf:/etc/apache2/conf-enabled/apache2_faildumps.conf'
    environment:
      MOODLE_DOCKER_DBTYPE: mysqli
      MOODLE_DOCKER_DBNAME: moodle
      MOODLE_DOCKER_DBUSER: root
      MOODLE_DOCKER_DBPASS: root
      MOODLE_DOCKER_DBCOLLATION: utf8_unicode_ci
      MOODLE_DOCKER_PHP_VERSION: '7.3'
      MOODLE_DOCKER_WEB_PORT: 8001
    ports:
      - '8001:80'
    networks:
      - service_site

networks:
  service_site:
volumes:
  db_data: