veles: preserve live Postgres statefulset shape

services/veles/postgres-statefulset.yaml

@@ -46,7 +46,7 @@ spec:
           type: RuntimeDefault
       containers:
         - name: postgres
-          image: postgres:17
+          image: postgres:15
           ports:
             - name: postgres
               containerPort: 5432
@@ -62,15 +62,13 @@ spec:
               value: veles
           resources:
             requests:
-              cpu: "1"
-              memory: 2Gi
+              cpu: "2"
+              memory: 8Gi
             limits:
               cpu: "4"
-              memory: 8Gi
+              memory: 16Gi
           securityContext:
             allowPrivilegeEscalation: false
-            capabilities:
-              drop: ["ALL"]
           volumeMounts:
             - name: postgres-data
               mountPath: /var/lib/postgresql/data
@@ -85,4 +83,4 @@ spec:
         storageClassName: veles-oceanus-db
         resources:
           requests:
-            storage: 200Gi
+            storage: 100Gi