apiVersion: postgresql.cnpg.io/v1
kind: Cluster
metadata:
  name: pg-nextcloud
  namespace: nextcloud
spec:
  imageName: ghcr.io/cloudnative-pg/postgresql:16
  instances: 2

  resources:
    requests:
      memory: "512Mi"
      cpu: "50m"
    limits:
      memory: "2Gi"
      cpu: "500m"

  affinity:
    topologyKey: kubernetes.io/hostname

  storage:
    size: 20Gi
    storageClass: rook-ceph-block

  primaryUpdateStrategy: unsupervised

  postgresql:
    parameters:
      max_connections: "200"
      shared_buffers: "512MB"
      effective_cache_size: "1536MB"
      maintenance_work_mem: "128MB"
      checkpoint_completion_target: "0.9"
      wal_buffers: "16MB"
      default_statistics_target: "100"
      random_page_cost: "1.1"
      effective_io_concurrency: "200"
      work_mem: "2621kB"
      min_wal_size: "1GB"
      max_wal_size: "4GB"

  bootstrap:
    initdb:
      database: nextcloud
      owner: nextcloud

  # Backup to the VPS MinIO backup receiver. VPS_MINIO_ENDPOINT placeholder
  # matches infrastructure/vault/manifests/raft-snapshot-cronjob.yaml - replace
  # with the VPS's actual Netbird address once bootstrapped. This covers the
  # DB only - file PVC content is separate, see nextcloud-pvc-sync-cronjob.yaml.
  backup:
    barmanObjectStore:
      destinationPath: s3://cnpg-backups/pg-nextcloud
      endpointURL: http://vps-minio.netbird.internal:30900
      s3Credentials:
        accessKeyId:
          name: vps-minio-secret
          key: accesskey
        secretAccessKey:
          name: vps-minio-secret
          key: secretkey
      wal:
        compression: gzip
        maxParallel: 2
    retentionPolicy: "30d"

  monitoring:
    enablePodMonitor: true