diff --git a/04b_containers_usage_basic_concepts_docker_part_2_18-aug-2022/README.md b/04b_containers_usage_basic_concepts_docker_part_2_18-aug-2022/README.md
index c4ef842..d5f651e 100644
--- a/04b_containers_usage_basic_concepts_docker_part_2_18-aug-2022/README.md
+++ b/04b_containers_usage_basic_concepts_docker_part_2_18-aug-2022/README.md
@@ -12,4 +12,5 @@
 8. [What is Podman?](https://docs.podman.io/en/latest/)
 9. [Основы контейнеризации (обзор Docker и Podman)](https://habr.com/ru/post/659049/)
 10. [Podman vs Docker: A Comparison](https://www.liquidweb.com/kb/podman-vs-docker/)
-11. [Podman vs Docker: What are the differences?](https://www.imaginarycloud.com/blog/podman-vs-docker/)
\ No newline at end of file
+11. [Podman vs Docker: What are the differences?](https://www.imaginarycloud.com/blog/podman-vs-docker/)
+12. [Cloud Native Playground](https://play.meshery.io)