cluster-storage-class-with-backup.yaml

apiVersion: postgresql.cnpg.io/v1
kind: Cluster
metadata:
  name: pg-backup
spec:
  instances: 3

  # Example of rolling update strategy:
  # - unsupervised: automated update of the primary once all
  #                 replicas have been upgraded (default)
  # - supervised: requires manual supervision to perform
  #               the switchover of the primary
  primaryUpdateStrategy: unsupervised

  # Persistent storage configuration
  storage:
    storageClass: standard
    size: 1Gi

  # Backup properties
  backup:
    barmanObjectStore:
      destinationPath: s3://BUCKET_NAME/path/to/folder
      s3Credentials:
        accessKeyId:
          name: aws-creds
          key: ACCESS_KEY_ID
        secretAccessKey:
          name: aws-creds
          key: ACCESS_SECRET_KEY
      wal:
        compression: gzip