Decouple docker-compose and container credentials for Wordpress blog.

wordpress/docker-compose.yml

@@ -8,20 +8,17 @@ services:
     environment:
       WORDPRESS_DB_HOST: db
       WORDPRESS_DB_USER: root
-      WORDPRESS_DB_PASSWORD: apVSHnTUrfDIdE5YcFvng
+      WORDPRESS_DB_PASSWORD: "${BLOG_MYSQL_PASSWORD}"
       WORDPRESS_DB_NAME: golem_wordpress
     ports:
       - "127.0.0.1:7070:80"
     volumes:
       - "/srv/wordpress/app:/var/www/html"
-      # - "/srv/sito:/var/www/html/sito"
   db:
     image: mariadb:latest
     restart: unless-stopped
     environment:
-      MYSQL_ROOT_PASSWORD: apVSHnTUrfDIdE5YcFvng
+      MYSQL_ROOT_PASSWORD: "{BLOG_MYSQL_PASSWORD}"
     volumes:
       - "/srv/wordpress/db:/var/lib/mysql"
-      # - "/tmp/golem_wordpress_dump.sql:/docker-entrypoint-initdb.d/dump.sql"
-