install prometheus from operatorhub.io catalog source

nmalik-prometheus.yaml

---
apiVersion: project.openshift.io/v1
kind: Project
metadata:
  name: nmalik-prometheus
---
apiVersion: operators.coreos.com/v1alpha1
kind: CatalogSource
metadata:
  name: operatorhubio-catalog
  namespace: nmalik-prometheus
spec:
  sourceType: grpc
  image: quay.io/operator-framework/upstream-community-operators:latest
  displayName: Community Operators
  publisher: OperatorHub.io
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: nmalik-prometheus
  namespace: nmalik-prometheus
spec:
  targetNamespaces:
    - nmalik-prometheus
---
apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: prometheus
  namespace: nmalik-prometheus
spec:
  channel: beta
  name: prometheus
  source: operatorhubio-catalog
  sourceNamespace: nmalik-prometheus