2. Walking through Kubernetes Concepts

An overview of Kubernetes

kubectl version --short
Client Version: v1.10.4
Server Version: v1.10.2

kubectl run my-first-nginx --image=nginx "my-first-nginx"
deployment.apps "my-first-nginx" created

cat << EOF > nginx.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-first-nginx
  labels:
    app: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx
EOF

kubectl create -f nginx.yaml
deployment.apps "my-first-nginx" created

kubectl get deployment
NAME             DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
my-first-nginx   1         1         1            1           2m

kubectl get deploy
NAME             DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
my-first-nginx   1         1         1            1           2m