have you created the db? believe it to be a manual step with edeliver…
this guide has info on how to do it if you scroll down https://medium.com/@zek/deploy-early-and-often-deploying-phoenix-with-edeliver-and-distillery-part-one-5e91cac8d4bd
there are a few more guides here A Beginner's Guide To Deployment with Edeliver and Distillery
