feat: update Nextcloud service configuration by renaming 'app' to 'nextcloud' and adding hostnames for db and redis services

swarm/nextcloud.yml

@@ -4,6 +4,7 @@ services:
   db:
     # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
     image: postgres:alpine
+    hostname: db
     restart: always
     volumes:
       - db:/var/lib/postgresql/data:Z
@@ -18,12 +19,14 @@ services:
   # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
+    hostname: redis
     restart: always
     networks:
       - nextcloud-net
 
-  app:
+  nextcloud:
     image: nextcloud:apache
+    hostname: nextcloud
     restart: always
     volumes:
       - nextcloud:/var/www/html:z