This is a simple tutorial for initializing this Docker Dev environment.
Make sure Docker Desktop and VScode are installed.
Open the Docker Desktop. Find and click the Dev Environments button, the Create+ button, and the Get started button.
Set the Name, and paste this in the address bar⬇️
https://github.com/Qume2005/ros2-dev-env-docker.git
Click the Continue button.
As the build finished, click the Continue button again, so you can open your Dev Environment in VScode.