Kubernetes Ingress in Practice

What is Ingress?

Kubernetes ServiceIs L4 control, but Kubernetes Ingressis L7 control.
This is very convenient because you can control path-based routing.

YAML file which we can apply

Please apply in order from the top.

Namespace definition:

apiVersion: v1
kind: Namespace
metadata:
  name: ingress-sample

App definition:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: ingress-deploy-nginx
  namespace: ingress-sample
spec:
  replicas: 8
  selector:
    matchLabels:
      app: ingress-deploy-nginx
  template:
    metadata:
      labels:
        app: ingress-deploy-nginx
    spec:
      containers:
        - name: ingress-deploy-nginx
          image: nginx
          resources:
            limits:
              memory: "50Mi"
              cpu: "100m"
          ports:
            - containerPort: 80
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: ingress-deploy-apache
  namespace: ingress-sample
spec:
  replicas: 8
  selector:
    matchLabels:
      app: ingress-deploy-apache
  template:
    metadata:
      labels:
        app: ingress-deploy-apache
    spec:
      containers:
        - name: ingress-deploy-apache
          image: httpd
          resources:
            limits:
              memory: "50Mi"
              cpu: "100m"
          ports:
            - containerPort: 80
---
apiVersion: apps/v1
kind…