Can't run remote on elixir app

I figured, I needed to add release=true to elixir_buildpack.config so there could be a release but when I do
/workspace/_build/prod/rel/apiserver/bin/apiserver remote I get the following:

# /workspace/_build/prod/rel/apiserver/bin/apiserver remote
Erlang/OTP 23 [erts-11.2.1] [source] [64-bit] [smp:1:1] [ds:1:1:10] [async-threads:1] [hipe]

Could not contact remote node apiserver@4ca42fd6, reason: :nodedown. Aborting...