If you are building a fresh new Kalastack (not required if you use Kalabox), see the README file in the code base:
https://github.com/kalamuna/kalastack/blob/3.x/README.md
+
https://github.com/kalamuna/kalastack/wiki/How-to-Participate
To add solr, reference https://github.com/kalamuna/kalastack/wiki/Adding-Solr-to-Kalastack