Switch registry gateway to Bandit

Author: Your Name

opsm_ex/lib/opsm/application.ex

@@ -12,7 +12,7 @@ defmodule Opsm.Application do
   def start(_type, _args) do
     children = [
       RegistryGateway.Store,
-      {Plug.Cowboy, scheme: :http, plug: RegistryGateway.Router, options: [port: registry_port()]}
+      {Bandit, plug: RegistryGateway.Router, scheme: :http, port: registry_port(), ip: {127, 0, 0, 1}}
     ]
 
     opts = [strategy: :one_for_one, name: Opsm.Supervisor]

opsm_ex/mix.exs

@@ -29,7 +29,6 @@ defmodule Opsm.MixProject do
       {:jason, "~> 1.4"},
       {:stream_data, "~> 0.6", only: :test},
       {:plug, "~> 1.15"},
-      {:plug_cowboy, "~> 2.7"},
       {:bandit, "~> 1.5"}
     ]
   end