Sample websocket service

test.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: test-ws
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: test-ws
  namespace: test-ws
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: test-ws
  template:
    metadata:
      labels:
        app: test-ws
        app.kubernetes.io/name: test-ws
    spec:
      containers:
        - image: imdevinc/simple-chat:0.5
          imagePullPolicy: IfNotPresent
          name: test-ws
          ports:
            - containerPort: 8080
              name: http
              protocol: TCP
          readinessProbe:
            failureThreshold: 3
            periodSeconds: 10
            successThreshold: 1
            tcpSocket:
              port: 8080
            timeoutSeconds: 1
---
apiVersion: v1
kind: Service
metadata:
  name: test-ws
  namespace: test-ws
  labels:
    app.kubernetes.io/name: test-ws
spec:
  type: ClusterIP
  selector:
    app: test-ws
  ports:
    - name: http
      port: 8080
      protocol: TCP
      targetPort: 8080
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: test-ws
  namespace: test-ws
  annotations:
    nginx.ingress.kubernetes.io/proxy-read-timeout: "3600"
    nginx.ingress.kubernetes.io/proxy-send-timeout: "3600"
    nginx.ingress.kubernetes.io/websocket-services: "test-ws"
spec:
  ingressClassName: nginx
  rules:
    - host: test-ws.home
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: test-ws
                port:
                  number: 8080