I've found Vagrant very useful to test (or develop) GUI-based applications, especially on platforms which Docker cannot run as container, such as macOS. I've al

I've found Vagrant very useful to test (or develop) GUI-based applications, especially on platforms which Docker cannot run as container, such as macOS. I've also collected further thoughts on when to choose which (and how they can be combined) here: https://www.augmentedmind.de/2020/08/02/vagrant-vs-docker/ https://www.augmentedmind.de/2020/08/02/vagrant-vs-docker/