update

prometheus_grafana/readme.md

@@ -447,14 +447,14 @@ groups:
 ```
 </details>
 
-  <details>
-  <summary>prometheus.yml</summary>
-    ```
-    global:
+<details>
+<summary>prometheus.yml</summary>
+```
+global:
   scrape_interval:     15s
   evaluation_interval: 15s
 
-    scrape_configs:
+scrape_configs:
   - job_name: 'nodeexporter'
     static_configs:
       - targets: ['nodeexporter:9100']
@@ -467,17 +467,17 @@ groups:
     static_configs:
       - targets: ['localhost:9090']
 
-    alerting:
+alerting:
   alertmanagers:
   - scheme: http
     static_configs:
     - targets: 
       - 'alertmanager:9093'
 
-    rule_files:
+rule_files:
   - '/etc/prometheus/rules/alert.rules'
-    ```
-  </details>
+```
+</details>
 
 test:<br>
 `curl -H 'Content-Type: application/json' -d '[{"labels":{"alertname":"blabla"}}]' https://alert.example.com/api/v1/alerts`