apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mysql-pvc
  labels:
    app: mysql
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 2Gi

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql-deployment
  # namespace: intern-workspace
  labels:
    app: mysql
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      serviceAccountName: database-sa

      securityContext:
        runAsUser: 999
        runAsGroup: 999
        fsGroup: 999

      containers:
        - name: mysql
          image: mysql:8.0
          ports:
            - containerPort: 3306
          envFrom:
            - configMapRef:
                name: app-config
            - secretRef:
                name: db-secret
          
          readinessProbe:
            exec:
              command:
                - sh
                - -c
                - mysqladmin ping -h 127.0.0.1 -u root -p$(MYSQL_ROOT_PASSWORD)
            initialDelaySeconds: 10
            periodSeconds: 5
          livenessProbe:
            exec:
              command:
                - sh
                - -c
                - mysqladmin ping -h 127.0.0.1 -u root -p$(MYSQL_ROOT_PASSWORD)
            initialDelaySeconds: 20
            periodSeconds: 10

          resources:
            requests:
              memory: "512Mi"
              cpu: "500m"
            limits:
              memory: "1Gi"
              cpu: "1000m"


          volumeMounts:
            - name: mysql-storage
              mountPath: /var/lib/mysql

          securityContext:
            runAsNonRoot: true
            allowPrivilegeEscalation: false
            capabilities:
              drop:
                - ALL

      volumes:
        - name: mysql-storage
          persistentVolumeClaim:
            claimName: mysql-pvc

     

---
apiVersion: v1
kind: Service
metadata:
  name: db
  labels:
    app: mysql
spec:
  type: ClusterIP
  ports:
    - port: 3306
      targetPort: 3306
      protocol: TCP
  selector:
    app: mysql