Add Harbor/Ceph runbooks and align single-node Ceph docs with abr deployment.

Document registry ingress split, image mirroring, loop OSD setup, and platform integration paths.

backend/helm/cloudhost-ceph/values.yaml

@@ -0,0 +1,25 @@
+# CloudHost Ceph extras (ObjectBucketClaim for zip uploads).
+# Rook operator + CephCluster are installed via scripts/install.sh using official rook-release charts.
+
+namespace: cloudhost-builds
+
+objectStore:
+  # Must match rook-ceph-cluster cephObjectStores[].storageClass.name
+  bucketStorageClass: rook-ceph-bucket
+  # Claim name; Rook generates bucket + credentials secret
+  claimName: app-sources
+  # Prefix for generated bucket name (Rook appends random suffix)
+  generateBucketName: cloudhost-app-sources
+
+platform:
+  # Copy S3 credentials into a stable secret name for backend/workers
+  createCredentialsSecret: true
+  credentialsSecretName: ceph-app-sources-credentials
+  # In-cluster RGW endpoint (adjust if ingress is enabled on object store)
+  endpoint: http://rook-ceph-rgw-ceph-objectstore.rook-ceph.svc.cluster.local:80
+  region: us-east-1
+
+integration:
+  # Emit a ConfigMap with suggested backend env vars (non-secret)
+  createConfigMap: true
+  configMapName: cloudhost-ceph-integration