it essentially the whole thing evolved as follows: - docker - it is just a packaging mechanism for your app and a deployment unit if you use Kubernetes, ECS or

it essentially the whole thing evolved as follows: - docker - it is just a packaging mechanism for your app and a deployment unit if you use Kubernetes, ECS or similar - docker-compose - if you have an app that spreads over multiple docker containers (i.e. you're doing micro services) it allows you to spin all of them with a single command allowing these components to be interconnected. It is essentially your local testing environment. - swarm - as far as I know it is a dead project, it supposed to compete with Kubernetes and similar, but it failed