how to clone a repository from github with docker code example
Example: docker build from github repository
docker run -p 3000:3000 -e github='https://github.com/pmcdowell-okta/dockertest.git' -it oktaadmin/dockertest
docker run -p 3000:3000 -e github='https://github.com/pmcdowell-okta/dockertest.git' -it oktaadmin/dockertest