Fix alertmanager config rendering

monitoring/alertmanager/alertmanager.yml

@@ -0,0 +1,25 @@
+global:
+  resolve_timeout: 5m
+
+route:
+  receiver: telegram
+  group_by: ['alertname', 'instance']
+  group_wait: 30s
+  group_interval: 5m
+  repeat_interval: 6h
+
+receivers:
+  - name: telegram
+    telegram_configs:
+      - bot_token: '7896670660:AAGtfYPY47GfEhFLQeAR5oRGodV7Y6qa_LY'
+        chat_id: -1003779247128
+        message: |-
+          {{ range .Alerts }}
+          *{{ .Labels.alertname }}* ({{ .Labels.severity }})
+          {{ .Annotations.summary }}
+          {{ .Annotations.description }}
+          {{ end }}
+        parse_mode: Markdown
+        disable_notifications: false
+        api_url: 'https://api.telegram.org'
+        send_resolved: true

monitoring/docker-compose.yml

@@ -21,10 +21,8 @@ services:
     env_file:
       - ./.env
     volumes:
-      - ./alertmanager/alertmanager.tmpl.yml:/etc/alertmanager/alertmanager.tmpl.yml:ro
-      - ./alertmanager/render.sh:/render.sh:ro
+      - ./alertmanager/alertmanager.yml:/etc/alertmanager/alertmanager.yml:ro
       - alertmanager-data:/alertmanager
-    command: ["/render.sh"]
     ports:
       - "9093:9093"