「🏗️」 wip: prom added :D

docker/monitoring/prometheus/config/rules.yml

@@ -0,0 +1,12 @@
+groups:
+- name: AllInstances
+  rules:
+  - alert: InstanceDown
+    # Condition for alerting
+    expr: up == 0
+    for: 20s
+    annotations:
+      title: 'Instance {{ $labels.instance }} down'
+      description: '{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 20 seconds.'
+    labels:
+      severity: 'critical'