diff --git a/src/data/roadmaps/docker/content/underlying-technologies@jrH1qE6EnFXL4fTyYU8gR.md b/src/data/roadmaps/docker/content/underlying-technologies@jrH1qE6EnFXL4fTyYU8gR.md
index 9b7464610..5b015572e 100644
--- a/src/data/roadmaps/docker/content/underlying-technologies@jrH1qE6EnFXL4fTyYU8gR.md
+++ b/src/data/roadmaps/docker/content/underlying-technologies@jrH1qE6EnFXL4fTyYU8gR.md
@@ -6,3 +6,4 @@ Visit the following resources to learn more:
 
 - [@official@Underlying Technologies](https://www.docker.com/resources/what-container/#underlying-technologies)
 - [@article@Underlying Technologies - Medium](https://medium.com/@furkan.turkal/how-does-docker-actually-work-the-hard-way-a-technical-deep-diving-c5b8ea2f0422)
+- [@video@Containers - Namespaces, Cgroups and Overlay Filesystem](https://www.youtube.com/watch?v=wJdDWc6zO4U)