chore(lakekeeper): set pod security standards

lakekeeper/justfile

@@ -154,7 +154,7 @@ create-oidc-api-client client_name='lakekeeper-api':
     if just keycloak::client-exists ${KEYCLOAK_REALM} {{ client_name }} &>/dev/null; then
         echo "Client '{{ client_name }}' already exists."
         echo "To recreate, first delete it with: just lakekeeper::delete-oidc-api-client {{ client_name }}"
-        exit 1
+        exit 0
     fi
 
     # Create confidential client with service account
@@ -222,6 +222,10 @@ install:
     done
     echo "Installing Lakekeeper..."
     just create-namespace
+
+    kubectl label namespace ${LAKEKEEPER_NAMESPACE} \
+        pod-security.kubernetes.io/enforce=restricted --overwrite
+
     just setup-database
     just create-oidc-client
     just add-helm-repo
@@ -249,7 +253,6 @@ install:
     echo "Lakekeeper installation completed"
     echo "Access Lakekeeper at: https://${LAKEKEEPER_HOST}"
 
-    # Create the OIDC client for API access at the end to print credentials
     just create-oidc-api-client
 
 # Uninstall Lakekeeper

lakekeeper/lakekeeper-values.gomplate.yaml

@@ -48,6 +48,27 @@ catalog:
       cpu: 100m
       memory: 256Mi
 
+  # Security context for Pod Security Standards (restricted)
+  podSecurityContext:
+    runAsNonRoot: true
+    runAsUser: 1000
+    runAsGroup: 1000
+    fsGroup: 1000
+    fsGroupChangePolicy: OnRootMismatch
+    seccompProfile:
+      type: RuntimeDefault
+
+  containerSecurityContext:
+    allowPrivilegeEscalation: false
+    readOnlyRootFilesystem: false
+    runAsNonRoot: true
+    runAsUser: 1000
+    runAsGroup: 1000
+    seccompProfile:
+      type: RuntimeDefault
+    capabilities:
+      drop:
+        - ALL
 
   # Database migration configuration
   dbMigrations: