Docker

https://docs.docker.com/get-started/

Docker Hub

A repository for Docker images. Can also create your own.

https://hub.docker.com/

Dockerfile

https://docs.docker.com/develop/develop-images/dockerfile_best-practices/

https://docs.docker.com/engine/reference/builder/

Docker Compose

Simple YAML for orchestrating groups of containers together https://docs.docker.com/compose/

https://docs.docker.com/compose/compose-file/