devops-test-app/chart/templates/ingress.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: {{ .Release.Name }}
  annotations:
    kubernetes.io/ingress.class: nginx
spec:
  rules:
    - host: {{ .Values.ingress.host }}
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: my-app
                port: 
                  number: 80