Fix issue with 2 depends_on in same yaml section (#583)

Author: martinbrose

templates/docker-compose.yml.j2

@@ -62,17 +62,16 @@ services:
       - /etc/localtime:/etc/localtime:ro
       - grafana_data:/var/lib/grafana
       - ./grafana/provisioning/:/etc/grafana/provisioning/
-    depends_on:
-      - prometheus
     ports:
       - 3030:3000
     env_file:
       - ./grafana/config.monitoring
     networks:
       - back-tier
       - front-tier
-{% if domain_name_enable and domain_name and domain_grafana %}
     depends_on:
+      - prometheus
+{% if domain_name_enable and domain_name and domain_grafana %}
       - nginx-proxy
     environment:
       - VIRTUAL_HOST={{ domain_grafana }}.{{ domain_name }}