This is a sample application designed to demonstrate how to use Spreedly to collect money for one-off purchases using credit cards.
You can see it running at https://hiring-phasers-worksample-5f7e0493b568.herokuapp.com/.
It uses the httparty gem.
Phasers Worksample is deployed to Heroku as a container application. See https://devcenter.heroku.com/articles/container-registry-and-runtime#getting-started for details on this process.
Docker image builds are setup in Docker Hub to be built automatically upon pushing changes to GitHub. This requires GitHub to be connected to Docker Hub.