Initial commit

apps/n8n/manifests/cnpg-cluster.yaml

@@ -0,0 +1,51 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: pg-n8n
+  namespace: n8n
+spec:
+  imageName: ghcr.io/cloudnative-pg/postgresql:16
+  instances: 2
+
+  # Resource limits to prevent OOM
+  resources:
+    requests:
+      memory: "512Mi"
+      cpu: "25m"
+    limits:
+      memory: "2Gi"
+      cpu: "250m"
+
+  # Spread replicas across different nodes
+  affinity:
+    topologyKey: kubernetes.io/hostname
+
+  storage:
+    size: 10Gi
+    storageClass: rook-ceph-block
+
+  primaryUpdateStrategy: unsupervised
+  
+  # PostgreSQL configuration for better performance
+  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: n8n
+      owner: n8n
+
+  monitoring:
+    enablePodMonitor: true