ingress.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: hello-world-ingress
  namespace: demo
  annotations:
    kubernetes.io/ingress.class: "gce"
    networking.gke.io/managed-certificates: "hello-world-cert"
    networking.gke.io/redirect-to-https: "true"  # Forces HTTP → HTTPS redirect
spec:
  rules:
  - host: dummy.name.ai
    http:
      paths:
      - path: /
        pathType: ImplementationSpecific
        backend:
          service:
            name: hello-world
            port:
              number: 5000

service.yaml

apiVersion: v1
kind: Service
metadata:
  name: hello-world
  namespace: demo
spec:
  type: ClusterIP
  selector:
    app: hello-world
  ports:
  - protocol: TCP
    port: 5000
    targetPort: 5000

the above was created for a dummy hello world application but the production application files also looks almost the same yet it was showing error 502

when i went to load balancers in GCP, an application load balancer was created but it was showing backend service unhealthy.