Relationship between Vagrant, Docker, Chef and OpenStack (or similar products)?I am a web developer, but I am also interested in a few administrative tasks. Hence, the new move from pure administration to dev-ops comes handy for me. Anyway, I have some problems to put a few things into a relationship. Maybe there isn't any, so I wanted to ask for help to clarify. Basically, what I want to put into relation is four types of software (from my understanding). The exact products
