diff --git a/gitlab/README.md b/gitlab/README.md
index 3b7a372..4f2ae9d 100644
--- a/gitlab/README.md
+++ b/gitlab/README.md
@@ -26,7 +26,7 @@ Host gitlab
   Port 2222
 ```
 
-And you can use gitlab like that:
+And you can use gitlab like that (after append SSH key in Gtilab GUI):
 
 ```bash
 git clone git@gitlab:devops-things/docker_images.git 
@@ -38,6 +38,22 @@ run ```up.runners.sh``` at once (on first run), this script will configure runne
 
 gitlab will remember what runner is already registered, and re-register is useless action in this case.
 
+## Gitlab Container Registry
+
+you can defined docker registry url in ```GITLAB_OMNIBUS_CONFIG```, by default registry ist defined like that:
+
+```yaml
+registry_external_url 'http://docker-registry:5000/'
+```
+
+```docker-registry``` is registry container DNS address (inner network defined by docker)
+
+Remember that if you want define external registry worked on HTTPS (with SSL), you must use ```https://``` protocol instead default ```http://``` protocol.
+
+sources:
+
+https://sleeplessbeastie.eu/2020/06/29/how-to-enable-gitlab-container-registry/
+
 ## Github importer
 
 when you want import your github repos, you have to create access-token and paste it on ```project import``` form. In next step you can choose what repo you want import exactl.
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