Kubernetes

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.17.5
        ports:
        - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: nginx
  namespace: default
  labels:
    app: nginx
spec:
  ports:
  - port: 80
    protocol: TCP
  selector:
    app: nginx
  type: LoadBalancer

apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv-hostpath
spec:
  capacity:
    storage: 2Gi
  volumeMode: Filesystem
  accessModes:
  - ReadWriteOnce
  storageClassName: manual
  persistentVolumeReclaimPolicy: Delete
  hostPath:
    path: /tmp/k8s-pv
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: pvc-hostpath
spec:
  accessModes:
  - ReadWriteOnce
  volumeMode: Filesystem
  resources:
    requests:
      storage: 1Gi
  storageClassName: manual

# 현재 context 확인
kubectl config current-context

# context 목록 확인
kubectl config get-contexts

# context 선택
kubectl config use-context <context_name>

# 설정 제거
kubectl config unset users.kubernetes-admin
kubectl config unset contexts.kubernetes-admin@kubernetes
kubectl config unset clusters.kubernetes