fix bug with public registration

config/runtime.exs

@@ -42,6 +42,8 @@ config :memex, Memex.Repo,
   pool_size: String.to_integer(System.get_env("POOL_SIZE", "10")),
   socket_options: maybe_ipv6
 
+config :memex, Memex.Accounts, registration: System.get_env("REGISTRATION", "invite")
+
 config :memex, MemexWeb.Endpoint,
   url: [scheme: "https", host: host, port: 443],
   http: [
@@ -50,8 +52,7 @@ config :memex, MemexWeb.Endpoint,
     ip: interface,
     port: String.to_integer(System.get_env("PORT", "4000"))
   ],
-  server: true,
-  registration: System.get_env("REGISTRATION", "invite")
+  server: true
 
 if config_env() == :prod do
   # The secret key base is used to sign/encrypt cookies and other secrets.