run elasticsearch in single-node mode

create container dependencies for monitoring stack

ansible/roles/monitoring/docker-stack.yml.j2

@@ -50,7 +50,7 @@ services:
     environment:
       - node.name=es01
       - cluster.name=shoarma
-      - cluster.initial_master_nodes=es01
+      - discovery.type=single-node
       - bootstrap.memory_lock=true
       - xpack.security.enabled=false
       - xpack.security.http.ssl.enabled=false
@@ -79,6 +79,8 @@ services:
 
   grafana:
     image: grafana/grafana-oss
+    depends_on:
+      - elasticsearch
     networks:
       - traefik
       - grafana
@@ -104,6 +106,8 @@ services:
 
   grafana-ntfy:
     image: kittyandrew/grafana-to-ntfy:master
+    depends_on:
+      - grafana
     ports:
       - 8080:8080
     networks:
@@ -119,6 +123,8 @@ services:
 
   fluentd:
     image: git.kun.is/pim/fluentd:1.0.1
+    depends_on:
+      - elasticsearch
     ports:
       - {{ fluent_forward_port }}:24224
     configs: