Chapter 13: Docker Migration Tips and Tricks

Every technology has a pioneer company, project, and product that, once created and announced, becomes a real game-changer that allowed its base concepts to spread. For containers, this was Docker.

As we learned in Chapter 1, Introduction to Container Technology, Docker provided a new approach and great ideas to leveraging existing technologies and creating brand new ones. After a few years, it became the most used technology for containers.

But as usually happens for open source projects, the community and the enterprise started looking for improvements, new architectures, and different implementations. That's where Podman found a place to grow and leverage the standardization that's offered by the Open Container Initiative (OCI).

Docker was (and still is) the most used container technology. For this reason, in this chapter, we are going to provide some tips and tricks regarding handling the migration process. We will...