Initial commit

apps/nessus/manifests/cnpg-cluster.yaml

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+# CloudNative PostgreSQL cluster for Nessus
+# Low resource configuration for memory-constrained environments
+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: pg-nessus
+  namespace: nessus
+spec:
+  imageName: ghcr.io/cloudnative-pg/postgresql:16
+  instances: 2
+
+  # Low resource limits for constrained environments
+  resources:
+    requests:
+      memory: "512Mi"
+      cpu: "50m"
+    limits:
+      memory: "1Gi"
+
+  # Spread replicas across different nodes for HA
+  affinity:
+    topologyKey: kubernetes.io/hostname
+
+  storage:
+    size: 20Gi
+    storageClass: rook-ceph-block
+
+  primaryUpdateStrategy: unsupervised
+  
+  # PostgreSQL configuration optimized for low memory
+  postgresql:
+    parameters:
+      max_connections: "100"
+      shared_buffers: "256MB"
+      effective_cache_size: "768MB"
+      maintenance_work_mem: "64MB"
+      checkpoint_completion_target: "0.9"
+      wal_buffers: "8MB"
+      default_statistics_target: "100"
+      random_page_cost: "1.1"
+      effective_io_concurrency: "200"
+      work_mem: "2621kB"
+      min_wal_size: "512MB"
+      max_wal_size: "2GB"
+
+  bootstrap:
+    initdb:
+      database: nessus
+      owner: nessus
+
+  monitoring:
+    enablePodMonitor: true