Add newlines to fix the syntax.

templates/shinyproxy-2-conf.yml.j2

@@ -72,9 +72,13 @@ proxy:
     container-memory: {{ app.docker_memory | default('2g') }}
   {% if shinyproxy_as_docker_service %}
   {% if shinyproxy_container_backend == 'docker-swarm' %}
+
     container-network: shinyproxy_{{ shinyproxy_docker_network }}
+
   {% else %}
+
     container-network: shinyproxy_{{ shinyproxy_docker_network }}
+    
   {% endif %}
   {% endif %}
   {% if app.groups is defined %}