01-mysql.yaml

apiVersion: v1
kind: Service
metadata:
  name: mysql
  namespace: covidshield
spec:
  ports:
  - port: 3306
  selector:
    app: mysql
  clusterIP: None
---
apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
kind: Deployment
metadata:
  name: mysql
  namespace: covidshield
spec:
  selector:
    matchLabels:
      app: mysql
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
      - image: mysql:8.0
        name: mysql
        env:
          # Use secret in real usage
        - name: MYSQL_USER
          valueFrom:
            secretKeyRef:
              name: covidshield-secret
              key: MYSQL_USER
        - name: MYSQL_DATABASE
          valueFrom:
            secretKeyRef:
              name: covidshield-secret
              key: MYSQL_DATABASE
        - name: MYSQL_PASSWORD
          valueFrom:
            secretKeyRef:
              name: covidshield-secret
              key: MYSQL_PASSWORD
        - name: MYSQL_RANDOM_ROOT_PASSWORD
          valueFrom:
            secretKeyRef:
              name: covidshield-secret
              key: MYSQL_RANDOM_ROOT_PASSWORD
        ports:
        - containerPort: 3306
          name: mysql
        volumeMounts:
        - name: mysql-persistent-storage
          mountPath: /var/lib/mysql
      volumes:
      - name: mysql-persistent-storage
        persistentVolumeClaim:
          claimName: mysql-pv-claim
---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: mysql-pv-volume
  namespace: covidshield
  labels:
    type: local
spec:
  storageClassName: manual
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: "/var/lib/mysql"
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mysql-pv-claim
  namespace: covidshield
spec:
  storageClassName: manual
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi