About dev containers Development containers, or dev containers, are Docker containers that are specifically configured to provide a fully featured development environment. Whenever you work in a codespace, you are using a dev container on a virtual machine. You can configure the dev container for a repository so that codespaces created for that repository give you a tailored development environmen
![Introduction to dev containers - GitHub Docs](https://cdn-ak-scissors.b.st-hatena.com/image/square/c852e55126697503d2d6aa748d905fcfaf8eface/height=288;version=1;width=512/https%3A%2F%2Fgithub.githubassets.com%2Fimages%2Fmodules%2Fopen_graph%2Fgithub-logo.png)