no port 9443 access, reverseproxy-nw only

portainer/docker-compose.yaml

@@ -7,5 +7,11 @@ services:
       volumes:
         - /mnt/containers/portainer/container-data/data:/data:Z
         - /var/run/docker.sock:/var/run/docker.sock:Z
-      ports:
-        - 9443:9443
+#      ports:
+#        - 9443:9443
+      networks:
+        - reverseproxy-nw
+
+networks:
+  reverseproxy-nw:
+    external: true