Build Docker containers from scratch with habitat

Steps	Command/Description
Installation	https://www.habitat.sh/docs/get-habitat/
CLI Configuration	hab setup (configure the CLI).
Start with a plan	hab plan init ruby
Inside the ruby directory	$ ls -la ruby / config/ hooks/ default.toml plan.sh
plan.sh	plan.sh is a bash script that describes how to build your package.
Enter the studio	hab studio enter (build and test your Habitat packages).
Build the package	build (Within your studio environment, run).
Export the package as a Docker image	hab pkg export docker (nameoftheorigin)/ruby
Testing the build	docker run --rm --entrypoint=/bin/bash nameoftheorigin/ruby  -c irb

Reference:

https://opensolitude.com/2017/03/08/build-docker-containers-from-scratch-with-habitat.html