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kubernetes/nodeport.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: nodejs-service
+spec:
+  selector:
+    app: nodejs
+  ports:
+    - protocol: TCP
+      port: 3000  # Port exposed by the Service
+      targetPort: 3000  # Port that the application is listening on inside the Pods
+      nodePort: 30000 # Port exposed on all nodes in the cluster
+  type: NodePort

kubernetes/prometheus_config.yml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: prometheus-config
+data:
+  prometheus.yml: |
+    global:
+      scrape_interval: 15s
+
+    scrape_configs:
+      - job_name: 'prometheus'
+        static_configs:
+          - targets: ['localhost:9090']  # Prometheus self-monitoring
+
+      - job_name: 'nodejs-app'
+        static_configs:
+          - targets: ['nodejs-service.default.svc.cluster.local:3000']  # Service endpoint for the Node.js application

kubernetes/prometheus_service.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: prometheus-service
+spec:
+  selector:
+    app: prometheus
+  ports:
+    - protocol: TCP
+      port: 9090  # Port exposed by the Service
+      targetPort: 9090  # Port that Prometheus is listening on inside the Pods
+  type: ClusterIP