starts a BEAM peer node

start_peer.exs

:net_kernel.start([:"main@127.0.0.1"])
:erlang.set_cookie(:cook)
{:ok, peer, peername} =
   :peer.start(%{connection: 0, name: :peer, host: ~C'127.0.0.1'})
:peer.call(peer, :erlang, :set_cookie, [:cook])
Node.connect(peername)

# add code paths
:rpc.call(peername, :code, :add_paths, [:code.get_path()])

# setup all application config
for {app_name, _, _} <- Application.loaded_applications() do
  for {key, val} <- Application.get_all_env(app_name) do
    :rpc.call(peername, Application, :put_env, [app_name, key, val])
  end
end

# start all applications
:rpc.call(peername, Application, :ensure_all_started, [:mix])
:rpc.call(peername, Mix, :env, [Mix.env()])

for {app_name, _, _} <- Application.loaded_applications() do
  :rpc.call(peername, Application, :ensure_all_started, [app_name])
end