[root@k8smaster1 ingress]# cat ingress-demo.yaml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: tomcat-deploy
  namespace: default
  labels:
    component: ingress-demo
spec:
  replicas: 2
  selector:
    matchLabels:
      app: tomcat
      release: canary
  template:
    metadata:
      labels:
        app: tomcat
        release: canary
    spec:
      containers:
      - name: tomcat
        image: docker.io/library/tomcat:8.5-jre8-alpine
        imagePullPolicy: IfNotPresent
        ports:
        - name: http
          containerPort: 8080
          name: ajp
          containerPort: 8009

---
apiVersion: v1
kind: Service
metadata:
  name: tomcat
  namespace: default
  labels:
    app: ingress-service-demo
spec:
  selector:
    app: tomcat
    release: canary
  ports:
  - name: http
    targetPort: 8080
    port: 8080
  - name: ajp
    targetPort: 8009
    port: 8009

---

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-demo
  labels:
    app: test
spec:
  ingressClassName: nginx
  rules:
  - http:
      paths:
      - backend:
          service:
            name: tomcat
            port:
              number: 8080
        path: / 
        pathType: Prefix

[root@k8smaster1 ingress]# cat ingress-demo2.yaml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: tomcat-deploy
  namespace: default
  labels:
    component: ingress-demo
spec:
  replicas: 2
  selector:
    matchLabels:
      app: tomcat
      release: canary
  template:
    metadata:
      labels:
        app: tomcat
        release: canary
    spec:
      containers:
      - name: tomcat
        image: docker.io/library/tomcat:8.5-jre8-alpine
        imagePullPolicy: IfNotPresent
        ports:
        - name: http
          containerPort: 8080
          name: ajp
          containerPort: 8009

---

apiVersion: v1
kind: Service
metadata:
  name: tomcat
  namespace: default
  labels:
    app: ingress-service-demo
spec:
  selector:
    app: tomcat
    release: canary
  ports:
  - name: http
    targetPort: 8080
    port: 8080
  - name: ajp
    targetPort: 8009
    port: 8009
 

---

apiVersion: v1
kind: Secret
metadata:
  name: ingress-secret-demo
type: kubernetes.io/tls
data:
  tls.crt: |
    MIIDRzCCAi+gAwIBAgIJAOksL+SfMNzaMA0GCSqGSIb3DQEBCwUAMDoxCzAJBgNV
    BAYTAkNOMRAwDgYDVQQIDAdCZWlqaW5nMRkwFwYDVQQDDBB0b21jYXQuY2hpbmEu
    Y29tMB4XDTIzMDcwMTEyMzk1NFoXDTIzMDczMTEyMzk1NFowOjELMAkGA1UEBhMC
    Q04xEDAOBgNVBAgMB0JlaWppbmcxGTAXBgNVBAMMEHRvbWNhdC5jaGluYS5jb20w
    ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDTAoMofD8Stka3op1F711A
    ECnEOJtibRj4dDg8yF8H5qVlAzbMtZ87P2KOIbdNW8M0tj8MHPGn/BE4oSCBl+w3
    mXKGwjD8Bq/geuea3iOyHOIJ2g5U6fRs96/vM0pdMMqr2otvn+wkIBPy/7yIM2rA
    HyGuTHDaGjtPzxumV+wxCZToWbZ77WhgqRIAbLkhfRz5VmjAVckdM6q+ud8UL5DL
    tdR4laGRdmU9xItvzN4poGkzaLZlg0FGidEcAFf+mb4lzNtiZQHXTtC6up5Dhbq/
    7pyJrnHgHZGOLvT9hpp8vMY9zoC4R+BREFQxxfwHEoD2luCMF5+AITPHzOArJxRl
    AgMBAAGjUDBOMB0GA1UdDgQWBBSOkO+bcdleeVt2XtFOr3iQkr8wLTAfBgNVHSME
    GDAWgBSOkO+bcdleeVt2XtFOr3iQkr8wLTAMBgNVHRMEBTADAQH/MA0GCSqGSIb3
    DQEBCwUAA4IBAQAMwgJ9REzTxPaovEbB3AhuvzoRZDrAGc/2uF48cmfr3axg4IiF
    k6NwDh2N9Pw6XQvRzgSOljCm8JBOehXaxO4ZpmNnB3sgcqreTjvCxkYBRlf9aOjt
    dNGWE6MoyioHF0YvzfbTYB7WS5AxJPXTMcwt8CxV9dOoklifVbttQRUaFnYi+Qs+
    aUo31NsnACUmETsiS9zG31TDpJ1yil9/5ergZGuKlgVY+/QbxvOsqzRWrqjH5uOv
    mnsbdWZ2ptWw56RBj+QttRfweQHmBzrOZKR5pAbQ7OcM3FbDuvIDCdf5hKTOzEfQ
    mGRtmRhFnKrtRxK8XHNqHqGW/1dCZNZ57Bil
  tls.key: |
    MIIEpQIBAAKCAQEA0wKDKHw/ErZGt6KdRe9dQBApxDibYm0Y+HQ4PMhfB+alZQM2
    zLWfOz9ijiG3TVvDNLY/DBzxp/wROKEggZfsN5lyhsIw/Aav4Hrnmt4jshziCdoO
    VOn0bPev7zNKXTDKq9qLb5/sJCAT8v+8iDNqwB8hrkxw2ho7T88bplfsMQmU6Fm2
    e+1oYKkSAGy5IX0c+VZowFXJHTOqvrnfFC+Qy7XUeJWhkXZlPcSLb8zeKaBpM2i2
    ZYNBRonRHABX/pm+JczbYmUB107QurqeQ4W6v+6cia5x4B2Rji70/YaafLzGPc6A
    uEfgURBUMcX8BxKA9pbgjBefgCEzx8zgKycUZQIDAQABAoIBAQCsAnBIoIAKEOy0
    5aqvR+EMSCDEBCEmqyif4J23bt+I4UwSe/xABA45jgIZOwLh3NvULHxYs3+LIMAp
    GbAV9HJrIHtrvwGPcSQOKiKC7HLMzx60ST1FmzHVYlPY+ka0kQGl9hGUfRlSmZOp
    ky9tF/z9gGNEYqvcH2YaOQqhHys7DMjVhSRb/esgP+sWdI6UmvoJHEvrnu78NS54
    8PNldxosi+DJ+81msJARlcRVgmUh0DpCGv19yuttyC5UWxKC7gXIis3UT0C11o7/
    eQJ+5D3Y7eVeoXVyTF1KF4scglJkq2/e333tyiY1ThtTHrni9fJlerOClq9EIWfG
    vrwjKPxBAoGBAPeh0dnLYGN3McVsWan/09PRiZNZikoW5kVq0gtIyz/6DdsVlO8n
    WgeREaQujxom7u0sygWleDxm4D1uGFwCtSVYyHAiKN0DvVwiDZZmMlfReh00rSiP
    +BCJZFB6KXbvtJpcgcjZ62KkC+hTZ30KLWNrwTgoNU1YsBpImzapL4A/AoGBANoj
    4r601Vx6Pfj6Wn24ztxD1LTbDP94NqaBhtuVhPqMUVmn3lBD8GbdWyo1yQYAwDlP
    5BQSbDElpP7NrdX3Iwp4cqOvHP3uNuKqRYRqNlgidR5wMKYQu2UoHPX+WrDR0KQM
    d77IKkDNgSjuHWr4EMqbj/+nOlQsHYydmcQGvAJbAoGBAOzKpCwrOcRjGgi6jxLs
    OtZ1q6RnHsGyHAeNGcUImrJWniE9BemaK5DIu6HPk69iQ14wUg4MKGk5xnt3Z3u0
    axuHRkNTpteQ1+Xd+jgzCTjIaoi68kmzQXYuqun5puTAWmawxroVB+yPCYPjHTaI
    INbNFzpn2HBZuiun+iPOrElpAoGAI0P37ULI14l/qVe392lAMAXbRl2/bTGfDC4W
    gjta4zJ6GFd2Ll29aLPSgDFvzUOjz+AljEUqLovab8MKnnO0u4WbavDta/Pt9Zj3
    Yh/Vp0vyyTfz9XTxBrqEbBRxzvIsm8jUNwifJBjVD6vnH5r5A/hAQGFloaP8JvZ3
    nGRGUs8CgYEAiF20YtP+P5x8AytfzEYa5vKqKqgKUoAA6wcSPsL/AvUctIu9zgTh
    JN618jzjKxh7Vofm94GyRXChYHkPCTmoJoHQGX7EWnkdQGj7yTlAUOyqVbMod+1C
    qFm7G8FvYwQgunXAYdoIZpkp/X+DH91ftWjK4wIJzqmsuEFWiAEWi2Y=



---

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-demo
  labels:
    app: test
spec:
  ingressClassName: nginx
  tls:
  - hosts:
    - tomcat.china.com
    secretName: ingress-secret-demo
  rules:
  - http:
      paths:
      - backend:
          service:
            name: tomcat
            port:
              number: 8080
        path: / 
        pathType: Prefix