Expert Python Programming - Third Edition

Containerization versus virtualization

Different tools, such as Docker and Vagrant, seem to overlap in features – but the main difference between them is the reason why these tools were built. Vagrant, as we mentioned earlier, is built primarily as a tool for development. It allows us to bootstrap the whole virtual machine with a single command, but does not allow us to simply pack such an environment as a complete deliverable artifact and deploy or release it. Docker, on the other hand, is built exactly for that purpose – preparing complete containers that can be sent and deployed to production as a whole package. If implemented well, this can greatly improve the process of product deployment. Because of that, using Docker and similar solutions ...