apiVersion: apps/v1
kind: Deployment
metadata:
  # This name uniquely identifies the Deployment
  name: minio
spec:
  selector:
    matchLabels:
      app: minio # has to match .spec.template.metadata.labels
  strategy:
    # Specifies the strategy used to replace old Pods by new ones
    # Refer: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#strategy
    type: Recreate
  template:
    metadata:
      labels:
        # This label is used as a selector in Service definition
        app: minio
    spec:
      # Volumes used by this deployment
      volumes:
      - name: data
        # This volume is based on PVC
        persistentVolumeClaim:
          # Name of the PVC created earlier
          claimName: minio-pv-claim
      containers:
      - name: minio
        # Volume mounts for this container
        volumeMounts:
        # Volume 'data' is mounted to path '/data'
        - name: data 
          mountPath: "/data"
        # Pulls the lastest Minio image from Docker Hub
        image: minio/minio:RELEASE.2020-03-25T07-03-04Z
        args:
        - server
        - /data
        env:
        # MinIO access key and secret key
        - name: MINIO_ACCESS_KEY
          value: "minio"
        - name: MINIO_SECRET_KEY
          value: "minio123"
        ports:
        - containerPort: 9000
        # Readiness probe detects situations when MinIO server instance
        # is not ready to accept traffic. Kubernetes doesn't forward
        # traffic to the pod while readiness checks fail.
        readinessProbe:
          httpGet:
            path: /minio/health/ready
            port: 9000
          initialDelaySeconds: 120
          periodSeconds: 20
        # Liveness probe detects situations where MinIO server instance
        # is not working properly and needs restart. Kubernetes automatically
        # restarts the pods if liveness checks fail.
        livenessProbe:
          httpGet:
            path: /minio/health/live
            port: 9000
          initialDelaySeconds: 120
          periodSeconds: 20
