This is an example project of MapperCore. We recommend that you fork this repo and customize it as you need.
First, you need a Heroku account. Sign up here if you don't have one. Heroku offers free website hosting and easy deployment.
If you put your Mapper project in a private Github repository, you need to connect it to Heroku before deployment.
If you haven't deployed it before, you can click the above "Deploy to Heroku" button. We recomend you enable automatic deploys. So that, once new code is pushed to github, Heroku will automatically deploy it for you.
Heroku offers monthly free hours enough for you to run a project without paying. For details, please checkout Apps Free Resources on Heroku.