apiVersion: postgresql.cnpg.io/v1
kind: Cluster
metadata:
  name: postgres-cluster
spec:
  instances: 2
  postgresql:
    parameters:
      max_connections: "100"
      shared_buffers: "256MB"
      effective_cache_size: "1GB"
      maintenance_work_mem: "64MB"
      checkpoint_completion_target: "0.9"
      wal_buffers: "16MB"
      default_statistics_target: "100"
      random_page_cost: "1.1"
      effective_io_concurrency: "200"
      work_mem: "4MB"
      min_wal_size: "1GB"
      max_wal_size: "4GB"
  storage:
    size: 20Gi
    storageClass: local-path
  resources:
    requests:
      memory: "256Mi"
      cpu: "250m"
    limits:
      memory: "512Mi"
      cpu: "500m"