Move to node4 and include deployment into service

zeronet.yml

@@ -6,25 +6,23 @@ x-logging: &json-log
     max-size: 20m
     max-file: '5'
 
-x-singlen0-start: &s0s
-  replicas: 1
-  restart_policy:
-    condition: any
-  update_config:
-    parallelism: 1
-    delay: 5s
-    order: start-first
-    failure_action: rollback
-  placement:
-    constraints: [node.hostname == fra-n0]
-
 volumes:
   data:
 
 services:
   server:
     image: localhost:5000/zeronet
-    deploy: *s0s
+    deploy:
+      replicas: 1
+      restart_policy:
+        condition: any
+      update_config:
+        parallelism: 1
+        delay: 5s
+        order: start-first
+        failure_action: rollback
+      placement:
+        constraints: [node.hostname == fra-n4]
     logging: *json-log
     environment:
       ENABLE_TOR: 'true'