Service

kubectl config set-context --current --namespace=myspace

kubectl get deployments

NAME                      READY   UP-TO-DATE   AVAILABLE   AGE
quarkus-demo-deployment   3/3     3            3           8m33s

kubectl get rs

NAME                                 DESIRED   CURRENT   READY   AGE
quarkus-demo-deployment-5979886fb7   3         3         3       8m56s

kubectl get pods

NAME                                       READY   STATUS    RESTARTS   AGE
quarkus-demo-deployment-5979886fb7-c888m   1/1     Running   0          9m17s
quarkus-demo-deployment-5979886fb7-gdtnz   1/1     Running   0          9m17s
quarkus-demo-deployment-5979886fb7-grf59   1/1     Running   0          9m17s

cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Service
metadata:
  name: the-service
spec:
  selector:
    app: quarkus-demo
  ports:
    - protocol: TCP
      port: 80
      targetPort: 8080
  type: LoadBalancer
EOF

watch kubectl get services

NAME    TYPE           CLUSTER-IP      EXTERNAL-IP   PORT(S)          AGE
myapp   LoadBalancer   172.30.103.41   <pending>     8080:31974/TCP   4s

minikube addons enable ingress
kubectl get pods -n ingress-nginx

NAME                                        READY   STATUS      RESTARTS    AGE
ingress-nginx-admission-create-g9g49        0/1     Completed   0          11m
ingress-nginx-admission-patch-rqp78         0/1     Completed   1          11m
ingress-nginx-controller-59b45fb494-26npt   1/1     Running     0          11m

minikube tunnel

watch kubectl get services

NAME          TYPE           CLUSTER-IP       EXTERNAL-IP      PORT(S)          AGE
the-service   LoadBalancer   10.111.248.227   10.111.248.227   80:32591/TCP     52m

minikube service the-service --url -n myspace

http://172.17.0.15:31637

URL=http://172.17.0.15:31637

curl $URL

Supersonic Subatomic Java with Quarkus quarkus-demo-deployment-5979886fb7-grf59:1

kind: ConfigMap
apiVersion: v1
metadata:
  name: nginx-conf
data:
  nginx.conf: |
    user nginx;
    worker_processes  3;
    error_log  /var/log/nginx/error.log;
    events {
      worker_connections  10240;
    }
    http {
      server {
          listen       80;
          server_name  _;
          root   /usr/share/nginx/html;
          index  index.html index.htm;

          location /europe {
              alias /usr/share/nginx/html/;
              index  index.html index.html;
          }
          location /asia {
              alias /usr/share/nginx/html/;
              index  index.html index.html;
          }
          location / {
              root   /usr/share/nginx/html;
              index  index.html index.htm;
          }
      }
    }

---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: europe
  name: europe
spec:
  progressDeadlineSeconds: 600
  replicas: 2
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app: europe
  strategy:
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 25%
    type: RollingUpdate
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: europe
    spec:
      containers:
      - image: nginx:1.21.5-alpine
        imagePullPolicy: IfNotPresent
        name: c
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /usr/share/nginx/html
          name: html
        - mountPath: /etc/nginx
          name: nginx-conf
          readOnly: true
      dnsPolicy: ClusterFirst
      initContainers:
      - command:
        - sh
        - -c
        - echo 'hello, you reached EUROPE' > /html/index.html
        image: busybox:1.28
        imagePullPolicy: IfNotPresent
        name: init-container
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /html
          name: html
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
      volumes:
      - emptyDir: {}
        name: html
      - configMap:
          defaultMode: 420
          items:
          - key: nginx.conf
            path: nginx.conf
          name: nginx-conf
        name: nginx-conf
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: asia
  name: asia
spec:
  progressDeadlineSeconds: 600
  replicas: 2
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app: asia
  strategy:
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 25%
    type: RollingUpdate
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: asia
    spec:
      containers:
      - image: nginx:1.21.5-alpine
        imagePullPolicy: IfNotPresent
        name: c
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /usr/share/nginx/html
          name: html
        - mountPath: /etc/nginx
          name: nginx-conf
          readOnly: true
      dnsPolicy: ClusterFirst
      initContainers:
      - command:
        - sh
        - -c
        - echo 'hello, you reached ASIA' > /html/index.html
        image: busybox:1.28
        imagePullPolicy: IfNotPresent
        name: init-container
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /html
          name: html
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
      volumes:
      - emptyDir: {}
        name: html
      - configMap:
          defaultMode: 420
          items:
          - key: nginx.conf
            path: nginx.conf
          name: nginx-conf
        name: nginx-conf