Alternative can be found at https://github.com/cvzi/play
A Go app that offers JSON data from Play Store for a shields.io endpoint, which can easily be deployed to Heroku.
Make sure you have Go version 1.13 or newer and the Heroku Toolbelt installed.
$ git clone https://github.com/cvzi/playshields.git
$ cd playshields
$ go build -o bin/playshields -v . # or `go build -o bin/playshields.exe -v .` in git bash
...
$ heroku local
Your app should now be running on localhost:5000.
On windows run with:
$ run.bat
$ heroku create
$ heroku config:set GOVERSION=go1.18.2
$ heroku config:set GIN_MODE=release
$ git push heroku master
$ heroku open
or