Example OpenShift 4 Deployment of an Apache HTTPD server

httpd_server_deployment.yaml

#---
#apiVersion: v1
#kind: PersistentVolumeClaim
#metadata:
#  name: httpd-pv-claim
#  labels:
#    app: httpd-frontend
#spec:
#  accessModes:
#    - ReadWriteOnce
#  resources:
#    requests:
#      storage: 10Gi
---
apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
kind: Deployment
metadata:
  name: httpd-frontend
  labels:
    app: httpd-frontend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: httpd-frontend
  strategy:
    type: RollingUpdate
    rollingParams:
      updatePeriodSeconds: 1 
      intervalSeconds: 1 
      timeoutSeconds: 120 
      maxSurge: "20%" 
      maxUnavailable: "10%" 
      pre: {} 
      post: {}
  template:
    metadata:
      labels:
        app: httpd-frontend
    spec:
      containers:
      - image: registry.redhat.io/rhel8/httpd-24
        imagePullPolicy: Always
        name: httpd-rhel7
        ports:
        - containerPort: 8080
          name: http-port
        - containerPort: 8443
          name: https-port
#        volumeMounts:
#        - name: httpd-persistent-storage
#          mountPath: /home/httpd-server
#      volumes:
#      - name: httpd-persistent-storage
#        persistentVolumeClaim:
#          claimName: httpd-pv-claim
---
apiVersion: v1
kind: Service
metadata:
  name: http-port
  labels:
    app: httpd-frontend
spec:
  ports:
    - port: 8080
      name: http-port
      protocol: TCP
      targetPort: 8080
  selector:
    app: httpd-frontend
---
apiVersion: v1
kind: Service
metadata:
  name: https-port
  labels:
    app: httpd-frontend
spec:
  ports:
    - port: 8443
      name: https-port
      protocol: TCP
      targetPort: 8443
  selector:
    app: httpd-frontend
---
apiVersion: route.openshift.io/v1
kind: Route
metadata:
  labels:
    app: httpd-frontend
  managedFields:
  name: http-port
spec:
  port:
    targetPort: http-port
  to:
    kind: Service
    name: http-port
    weight: 100