Lab: Docker-in-Docker

Experimenting with Docker configuration, using Docker-in-Docker for some minor isolation from other Docker workloads on the machine.

Why?

When developing software that interacts with the Docker API, sometimes it's helpful to have a Docker instance isolated from the environment you're using for your dev containeers, or other projects.

Exercises

1. Basic

References

Docker in Docker

• Docker in Docker Image
• Compose File Reference
• Docker CLI Reference

Development Environment

• Visual Studio Code
• Developing Inside a Container
• Devcontainers JSON Reference
• Ubuntu Base Devcontainer
• Docker on Host Feature