Update prometheus.md

resources/prometheus.md

@@ -20,14 +20,31 @@ now to run as side car container we will just use its image and specify the port
         ports:
         - containerPort: 9108
         args: ['-es.uri=http://localhost:9200']
-        ```
+ ```       
 
 Now we will also create a config file for Prometheus:
 
-![image-20211213175431699](/home/knoldus/.config/Typora/typora-user-images/image-20211213175431699.png)
-
-
-
+```
+apiVersion: v1
+data:
+  prometheus.yml: |-
+    global:
+      scrape_interval: 15s 
+      evaluation_interval: 15s 
+    scrape_configs:
+      - job_name: "prometheus"
+        static_configs:
+          - targets: ["localhost:9090"]
+      - job_name: "exporter"
+        static_configs:
+          - targets: ["elasticsearch:9108"]
+kind: ConfigMap
+metadata:
+  name: pr-conf
+  namespace: elk
+```  
+
+
 Here make sure you either write your own namespace or create this elk namespace before running.
 
 Now next we will write a deployment file for Prometheus.
@@ -38,7 +55,21 @@ Now next we will write a deployment file for Prometheus.
 ​        
 ​        Now we will create a service file for nodePort , so that we can access it through our browser through our <node-ip>:<node-port>  
 
-![image-20211213175056154](/home/knoldus/.config/Typora/typora-user-images/image-20211213175056154.png)
-
+```
+ apiVersion: v1
+kind: Service
+metadata:
+  name: prometheus
+  namespace: elk
+  
+spec:
+  selector: 
+    app: pr
+  type: NodePort  
+  ports:
+    - port: 9090
+      targetPort: 9090
+      nodePort: 32200
+```
 Now we will be able to access the prometheus on 32200 which is our nodePort  so start all the services one by one and you're good to go and also we can use Grafana for visualisation too along with prometheus.