Wordpress Docker

.env

MYSQL_ROOT_PASSWORD=somerootpassword
MYSQL_DATABASE=wordpress
MYSQL_USER=wordpress
MYSQL_PASSWORD=wordpress

docker-compose.yml

version: '3.3'

services:
   db:
     image: mysql:5.7
     volumes:
       - ./init.sql:/docker-entrypoint-initdb.d/init.sql # prepopulate database
       - db_data:/var/lib/mysql # persist database data inside docker storage
     restart: always
     env_file:
      - .env
     container_name: wp_db

   phpmyadmin:
     image: phpmyadmin/phpmyadmin
     restart: always
     ports:
       - "8080:80"
     environment:
       PMA_HOST: db
       MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
     container_name: wp_phpmyadmin
   wordpress:
     depends_on:
       - db
     image: wordpress:latest
     ports:
       - "8000:80"
     restart: always
     environment:
       WORDPRESS_DB_HOST: db:3306
       WORDPRESS_DB_USER: ${MYSQL_USER}
       WORDPRESS_DB_PASSWORD: ${MYSQL_PASSWORD}
       WORDPRESS_DB_NAME: ${MYSQL_DATABASE}
       WORDPRESS_DEBUG: 1
       WORDPRESS_CONFIG_EXTRA: |
        define('WP_CACHE', false );
        define('WP_SITEURL', 'http://' . $$_SERVER['HTTP_HOST']);
        define('WP_HOME', 'http://' . $$_SERVER['HTTP_HOST']);
        define( 'WP_DEBUG', false );
        define( 'WP_DEBUG_DISPLAY', false );
        $$table_prefix = 'wp_';
     volumes:
       - ./wp-content/plugins:/var/www/html/wp-content/plugins
       - ./wp-content/themes:/var/www/html/wp-content/themes
       - ./wp-content/uploads:/var/www/html/wp-content/uploads
     container_name: wp_wordpress
volumes:
    db_data: {}

Folder structure

.env
docker-compose.yml
init.sql
- wp-content
  - plugins
  - themes