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Crear docker-compose.yml y cambiar puerto de 8080 por 8081, 8082 para sucesivas instancias

version: '3.1'

services:

  wordpress:
    image: wordpress
    restart: always
    ports:
      - 8080:80
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_USER: exampleuser
      WORDPRESS_DB_PASSWORD: examplepass
      WORDPRESS_DB_NAME: exampledb
    volumes:
      - wordpress:/var/www/html

  db:
    image: mysql:5.7
    restart: always
    environment:
      MYSQL_DATABASE: exampledb
      MYSQL_USER: exampleuser
      MYSQL_PASSWORD: examplepass
      MYSQL_RANDOM_ROOT_PASSWORD: '1'
    volumes:
      - db:/var/lib/mysql

volumes:
  wordpress:
  db:

Para levantarlo:

docker-compose up  -d

Añadimos nginx:

    server {
        listen       80;
        server_name  gameofworks.lobo99.info;

        location / {
            proxy_pass http://192.168.1.200:8083;
            proxy_buffering on;
            proxy_buffers 12 12k;
            proxy_redirect off;

            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $remote_addr;
            proxy_set_header Host $host;
        }
    }

ruth@docker:~$ docker cp Divi/. gameofworkslobo99info_wordpress_1:/var/www/html/wp-content/themes/Divi/