gistfile1.txt

version: "3"

services:
  wordpress:
    container_name: "docker_wordpress_1"
    depends_on:
      - db
      - memcached
      - selenium
    environment:
      WORDPRESS_DB_HOST: "db:3306"
      WORDPRESS_DB_USER: "wordpress"
      WORDPRESS_DB_PASSWORD: "wordpress"
    image: "library/wordpress:${WORDPRESS_VERSION}-php7.3"
    ports:
      - "8080:80"  # HTTPd.
    restart: "always"
    shm_size: "2G"
    volumes:
      - wpcontent:/var/www/html/wp-content

  db:
    container_name: "docker_db_1"
    environment:
      MYSQL_ROOT_PASSWORD: "somewordpress"
      MYSQL_DATABASE: "wordpress"
      MYSQL_USER: "wordpress"
      MYSQL_PASSWORD: "wordpress"
    image: "mysql:5.7"
    ports:
      - "3306:3306"  # MySQL.
    restart: "always"

  selenium:
    container_name: "docker_selenium_1"
    image: "selenium/standalone-chrome-debug:3.14.0"
    ports:
      - "4444:4444"  # Selenium.
      - "5900:5900"  # VNC.
    restart: "always"
    shm_size: "2G"

  memcached:
    container_name: "docker_memcached_1"
    image: "memcached:1.5-alpine"
    entrypoint:
      - "memcached"
      - "-m 64"
    ports:
      - "11211:11211"  # Memcached.
    restart: "always"

  composer:
    command: "install"
    depends_on:
      - wordpress
    image: "composer/composer:1.8"
    restart: "no"
    volumes:
      - wpcontent:/app

volumes:
  wpcontent: