Set up Docker Container

https://docs.docker.com/engine/docker-overview/

https://docs.docker.com/get-started/part2/#define-a-container-with-a-dockerfile

On local machine

mkdir src
cd src
mkdir CLAS
cd CLAS
mkdir evio2Root_container
cd evio2Root_container

Install Docker

https://docs.docker.com/docker-for-mac/install/#download-docker-for-mac

create file named Dockerfile with contents

https://github.com/tianon/docker-brew-ubuntu-core/blob/5fce3945d95630c2fc03c21ef8665d92bd824642/trusty/Dockerfile

Run docker

docker build -t evio2root .

On lds

https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/

Version control

https://www.atlassian.com/git/tutorials/what-is-version-control