Change the way the portainer ports are exposed.

templates/portainer-agent-stack.yml.j2

@@ -43,9 +43,18 @@ services:
 {% if docker_swarm_cluster_haproxy_install %}
 
     ports:
-      - "9443:9443"
+      - target: 9443
-      - "9000:9000"
+        published: 9443
-      - "8000:8000"
+        protocol: tcp
+        mode: 'ingress'
+      - target: 9000
+        published: 9000
+        protocol: tcp
+        mode: 'ingress'
+      - target: 8000
+        published: 8000
+        protocol: tcp
+        mode: 'ingress'
 {% endif %}
     volumes:
       - portainer_server_data:/data