feat: automate k8s manifests apply in pipeline

Author: pratik50

.github/workflows/k8s-deploy.yml

@@ -53,6 +53,7 @@ jobs:
       # Deploy to Kubernetes cluster (Rolling Update)
       - name: Deploy to K8s
         run: |
+          kubectl apply -f k8s/
           kubectl set image deployment/receiptsnap-backend \
             backend=pratik50/receiptsnap-backend:${{ github.sha }} \
             -n backend-team

k8s/hpa.yaml

@@ -0,0 +1,25 @@
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: receiptsnap-backend-hpa
+  namespace: backend-team
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: receiptsnap-backend
+  minReplicas: 2
+  maxReplicas: 6
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 70
+  - type: Resource
+    resource:
+      name: memory
+      target:
+        type: Utilization
+        averageUtilization: 80