testes

docker-compose.yml

version: '3.1'

services:

  wordpress:
    image: wordpress
    restart: always
    ports:
      - 8080:80
    environment:
      WORDPRESS_DB_PASSWORD: example

  mysql:
    image: mysql:5.7
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: example
      
      
      
      version: '3.3'

services:
  wordpress:
    depends_on:
     - db
    image: wordpress:latest
    ports:
     - "80:80"
    restart: always
    environment:
     WORDPRESS_DB_HOST: db:3306
     WORDPRESS_DB_USER: wordpress
     WORDPRESS_DB_PASSWORD: wordpress
     WORDPRESS_DEBUG: 1
    volumes:
    - "./wp-content/plugins/:/var/www/html/wp-content/plugins/"
    - "./wp-content/themes/:/var/www/html/wp-content/themes/"
    - "./.htaccess:/var/www/html/.htaccess"

  db:
    image: mysql:5.7
    command: mysqld --sql_mode=""
    volumes:
     - ./.dbdata:/var/lib/mysql
    restart: always
    environment:
     MYSQL_ROOT_PASSWORD: somewordpress
     MYSQL_DATABASE: wordpress
     MYSQL_USER: wordpress
     MYSQL_PASSWORD: wordpress
    volumes:
      - "./dump.sql:/docker-entrypoint-initdb.d/dump.sql"

Wordpress
https://labs.play-with-docker.com/?stack=https://raw.githubusercontent.com/docker-library/docs/e24f39cddf21560cf0a24f149059ff23640b0f16/wordpress/stack.yml

version: '3.3'

services:
wordpress:
depends_on:
- db
image: wordpress:latest
ports:
- "80:80"
restart: always
environment:
WORDPRESS_DB_HOST: db:3306
WORDPRESS_DB_USER: wordpress
WORDPRESS_DB_PASSWORD: wordpress
WORDPRESS_DEBUG: 1
volumes:
- "./wp-content/plugins/:/var/www/html/wp-content/plugins/"
- "./wp-content/themes/:/var/www/html/wp-content/themes/"
- "./.htaccess:/var/www/html/.htaccess"

db:
image: mysql:5.7
command: mysqld --sql_mode=""
volumes:
- ./.dbdata:/var/lib/mysql
restart: always
environment:
MYSQL_ROOT_PASSWORD: somewordpress
MYSQL_DATABASE: wordpress
MYSQL_USER: wordpress
MYSQL_PASSWORD: wordpress
volumes:
- "./dump.sql:/docker-entrypoint-initdb.d/dump.sql"