added mailserver nerdctl network

compose.yml

@@ -2,6 +2,8 @@ services:
   redis:
     image: redis:latest
     container_name: cloudnetignet_redis
+    networks:
+      - mailserver
     volumes:
       - ./volumes/redis:/data
     command: redis-server --appendonly yes
@@ -9,6 +11,8 @@ services:
   mariadb:
     image: mariadb:11.4
     container_name: cloudnetignet_mariadb
+    networks:
+      - mailserver
     env_file:
       - .env
       - ../passwords/cloudnetignet.pass
@@ -24,6 +28,8 @@ services:
   nextcloud:
     image: nextcloud:latest
     container_name: cloudnetignet_nextcloud
+    networks:
+      - mailserver
     depends_on:
       - mariadb
     env_file:
@@ -34,3 +40,6 @@ services:
     volumes:
       - ./volumes/nextcloud:/var/www/html
     restart: unless-stopped
+networks:
+  mailserver:
+    external: true