title: How to use other buildpacks with dokku-alt
body: <p>I installed <a href="https://github.com/dokku-alt/dokku-alt" rel="nofollow">dokku-alt</a> from the github repo, with the instructions provided, at a digital ocean droplet. I was able to run a node app and a python app, BUT I'm interested using <a href="https://github.com/maxwellwood/heroku-buildpack-shiny" rel="nofollow">Shiny Buildpack</a> with dokku-alt to deploy Shiny Apps.</p>
  
  <p>I already read the instructions a lot of times but I'm not understanding how to get this. I'm trying to install this example: <a href="https://github.com/btubbs/shiny-example-1" rel="nofollow">https://github.com/btubbs/shiny-example-1</a></p>