add network info

docker-compose.yml

@@ -3,6 +3,8 @@ version: '3.8'
 services:
   frontend:
     image: gitea.prod.resk-u.ch/clerc/clerc-frontend:latest
+    networks:
+      - main-swarm-network
     ports:
       - "3000:3000"
     volumes:
@@ -12,6 +14,8 @@ services:
 
   backend:
     image: gitea.prod.resk-u.ch/clerc/reskreen:latest
+    networks:
+      - main-swarm-network
     ports:
       - "8081:8080"
     volumes:
@@ -34,3 +38,6 @@ volumes:
       type: none
       device: /home/prod/Reskreen
       o: bind
+networks:
+  main-swarm-network:
+    external: true