Removed database expose in the hope for performance improvements

roles/docker-gitea/tasks/main.yml

@@ -48,5 +48,3 @@
         volumes:
           - gitea-database:/var/lib/mysql
         restart: always
-        expose:
-          - "3306"

roles/docker-nextcloud/tasks/main.yml

@@ -51,8 +51,6 @@
         volumes:
           - nextcloud-database:/var/lib/mysql
         restart: always
-        expose:
-          - "3306"
       web:
         image: nginx:alpine
         log_driver: journald

roles/docker-wordpress/tasks/main.yml

@@ -40,5 +40,3 @@
           MYSQL_RANDOM_ROOT_PASSWORD: 'yes'
         volumes:
           - wordpress-database:/var/lib/mysql
-        expose:
-          - "3306"

roles/docker-yourls/tasks/main.yml

@@ -37,5 +37,3 @@
           MYSQL_RANDOM_ROOT_PASSWORD: 'yes'
         volumes:
           - yourls-database:/var/lib/mysql
-        expose:
-          - "3306"