DockerでWordPressを動作させる

version: '3'

services:
   db:
     image: mysql:5.7
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: password
       MYSQL_DATABASE: wordpress
       MYSQL_USER: admin
       MYSQL_PASSWORD: password

   wordpress:
     depends_on:
       - db
     image: wordpress:latest
     ports:
       - "8000:80"
     restart: always
     environment:
       WORDPRESS_DB_HOST: db:3306
       WORDPRESS_DB_USER: admin
       WORDPRESS_DB_PASSWORD: password

 docker-compose up -d

docker ps

CONTAINER ID   IMAGE              COMMAND                  CREATED          STATUS          PORTS                    NAMES
3b0e2b1738cf   wordpress:latest   "docker-entrypoint.s…"   37 seconds ago   Up 33 seconds   0.0.0.0:8000->80/tcp     docker-wordpress-wordpress-1
b4b51347103f   mysql:5.7          "docker-entrypoint.s…"   37 seconds ago   Up 35 seconds   3306/tcp, 33060/tcp      docker-wordpress-db-1

version: '3'

services:
   db:
     image: mysql:5.7
     volumes:
       - ./db_data:/var/lib/mysql ←追加個所
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: password
       MYSQL_DATABASE: wordpress
       MYSQL_USER: admin
       MYSQL_PASSWORD: password

   wordpress:
     depends_on:
       - db
     image: wordpress:latest
     volumes:
       - ./wp_data:/var/www/html ←追加個所
     ports:
       - "8000:80"
     restart: always
     environment:
       WORDPRESS_DB_HOST: db:3306
       WORDPRESS_DB_USER: admin
       WORDPRESS_DB_PASSWORD: password

docker exec -it <コンテナID> bash