diff --git a/k8s/README.md b/k8s/README.md
index e69eaea..5deafc5 100644
--- a/k8s/README.md
+++ b/k8s/README.md
@@ -83,4 +83,23 @@ Install with helm
 Migate
 
 
-Backup
\ No newline at end of file
+Backup
+
+## Add private docker registry
+
+*Current state:* Registry of hub.moritzgraf.de:5000 is used.
+
+Create credentials secret [according to docu](https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/#create-a-secret-by-providing-credentials-on-the-command-line):
+
+```sh
+namespaces="datalab"
+for i in $namespaces ; do
+  kubectl create secret docker-registry regcred \
+    --docker-server=hub.moritzgraf.de:5000 \
+    --docker-username=moritz \
+    --docker-password='xxx' \
+    --docker-email=moritz@moritzgraf.de \
+    --dry-run -o yaml > ./${i}/docker-pull.yaml.secret
+done
+```
+
diff --git a/k8s/datalab/docker-pull.yaml.secret b/k8s/datalab/docker-pull.yaml.secret
new file mode 100644
index 0000000..3d4d389
Binary files /dev/null and b/k8s/datalab/docker-pull.yaml.secret differ