Docker-Compose Wordpress Example

docker-compose.yml

wordpress:
  image: wordpress
  links:
    - wordpress_db:mysql
  ports:
    - 8080:80
  volumes:
    - ~/wordpress/html:/var/www/html
    - /static
    - another_static:/static2
wordpress_db:
  image: mariadb
  environment:
    MYSQL_ROOT_PASSWORD: anypassword
phpmyadmin:
  image: phpmyadmin
  links:
    - wordpress_db:mysql
  ports:
    - 8181:80
  environment:
    MYSQL_USERNAME: root
    MYSQL_ROOT_PASSWORD: anypassword

docker-compose3.yml

version: '3'

services:

  webserver:
     image: richarvey/nginx-php-fpm:latest
     volumes:
      - data-volume:/var/www/html
     ports:
      - 8080:80
  wordpress:
     image: wordpress:php7.1-fpm-alpine
     volumes:
      - data-volume:/var/www/html
     environment:
       WORDPRESS_DB_HOST: dbserver      
       WORDPRESS_DB_PASSWORD: example     
     depends_on:
      - webserver
      - dbserver
  dbserver:
     image: mariadb:latest
     environment:
      MYSQL_ROOT_PASSWORD: example
     ports:
       - 3307:3306

volumes:
   data-volume:

refer
https://www.digitalocean.com/community/tutorials/how-to-install-wordpress-and-phpmyadmin-with-docker-compose-on-ubuntu-14-04

https://www.digitalocean.com/community/tutorials/how-to-work-with-docker-data-volumes-on-ubuntu-14-04

if not enough memory
resources:
limits:
cpus: '0.001'
memory: 50M
reservations:
cpus: '0.0001'
memory: 20M

docker-compose3.yml not efficiency but work for me
Not efficiency

• double fpm
• force nginx use wordpress /var/www/html by luck (depends_on )

wordpress_1 | MySQL Connection Error: (1045) Access denied for user 'root'@'172.17.0.6' (using password: YES)