Bootstrap local PG db (version 9.6 or above):
$ pg_ctl init -D db/postgresql
Start local services
$ heroku local -f Procfile.dev
Create local dbs:
$ mix ecto.create && mix ecto.migrate
$ MIX_ENV=test mix ecto.create && MIX_ENV=test mix ecto.migrate
$ mix compile
$ mix test
You can also go into individual sub-apps to test directly:
$ cd apps/reviewcast
$ mix test