tee minio.yaml << EOF
apiVersion: v1
kind: Secret
metadata:
  name: minio-creds
data:
  ACCESS_KEY_ID: $ACCESS_KEY_ID
  ACCESS_SECRET_KEY: $ACCESS_SECRET_KEY

---
apiVersion: v1
kind: Service
metadata:
  name: minio-service
spec:
  ports:
    - port: 9000
      targetPort: 9000
      protocol: TCP
  selector:
    app: minio

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: minio
spec:
  selector:
    matchLabels:
      app: minio
  template:
    metadata:
      labels:
        app: minio
    spec:
      containers:
      - name: minio
        image: minio/minio:latest
        args:
        - server
        - /data
        env:
        - name: MINIO_ACCESS_KEY
          valueFrom:
            secretKeyRef:
              name: minio-creds
              key: ACCESS_KEY_ID
        - name: MINIO_SECRET_KEY
          valueFrom:
            secretKeyRef:
              name: minio-creds
              key: ACCESS_SECRET_KEY
        ports:
        - containerPort: 9000
        readinessProbe:
          httpGet:
            path: /minio/health/ready
            port: 9000
          initialDelaySeconds: 30
        livenessProbe:
          httpGet:
            path: /minio/health/live
            port: 9000
          initialDelaySeconds: 30
EOF

tee minio-store.yaml << EOF
apiVersion: barmancloud.cnpg.io/v1
kind: ObjectStore
metadata:
  name: minio-store
spec:
  configuration:
    destinationPath: s3://cluster-backups/
    endpointURL: http://minio:9000
    s3Credentials:
      accessKeyId:
        name: minio-creds
        key: ACCESS_KEY_ID
      secretAccessKey:
        name: minio-creds
        key: ACCESS_SECRET_KEY
    wal:
      compression: gzip
  retentionPolicy: "1d"
EOF

tee $cluster_name.yaml << EOF
apiVersion: postgresql.cnpg.io/v1
kind: Cluster
metadata:
  name: $cluster_name
spec:
  instances: 3
  imageName: $cnpg_image_name
  storage:
    size: 1Gi
  plugins:
  - name: barman-cloud.cloudnative-pg.io
    isWALArchiver: true
    parameters:
      barmanObjectName: minio-store
EOF

[alexey@wsl2 ~]$ kubectl cnpg status $cluster_name
Cluster Summary
Name                 default/cluster-barman-cloud-cnpg
System ID:           7551820857236926487
PostgreSQL Image:    ghcr.io/cloudnative-pg/postgresql:17.6
Primary instance:    cluster-barman-cloud-cnpg-1
Primary start time:  2025-09-19 15:22:08 +0000 UTC (uptime 1h30m57s)
Status:              Cluster in healthy state
Instances:           3
Ready instances:     3
Size:                143M
Current Write LSN:   0/8000000 (Timeline: 1 - WAL File: 000000010000000000000008)

Continuous Backup status
Not configured

Streaming Replication status
Replication Slots Enabled
Name                         Sent LSN   Write LSN  Flush LSN  Replay LSN  Write Lag  Flush Lag  Replay Lag  State      Sync State  Sync Priority  Replication Slot
----                         --------   ---------  ---------  ----------  ---------  ---------  ----------  -----      ----------  -------------  ----------------
cluster-barman-cloud-cnpg-2  0/8000000  0/8000000  0/8000000  0/8000000   00:00:00   00:00:00   00:00:00    streaming  async       0              active
cluster-barman-cloud-cnpg-3  0/8000000  0/8000000  0/8000000  0/8000000   00:00:00   00:00:00   00:00:00    streaming  async       0              active

Instances status
Name                         Current LSN  Replication role  Status  QoS         Manager Version  Node
----                         -----------  ----------------  ------  ---         ---------------  ----
cluster-barman-cloud-cnpg-1  0/8000000    Primary           OK      BestEffort  1.27.0           minikube
cluster-barman-cloud-cnpg-2  0/8000000    Standby (async)   OK      BestEffort  1.27.0           minikube
cluster-barman-cloud-cnpg-3  0/8000000    Standby (async)   OK      BestEffort  1.27.0           minikube

Plugins status
Name                            Version  Status  Reported Operator Capabilities
----                            -------  ------  ------------------------------
barman-cloud.cloudnative-pg.io  0.6.0    N/A     Reconciler Hooks, Lifecycle Service