docker.diff

$ docker run -p 5150:5150 scalacenter/scastie-sbt-runner:bb732e5b7e99d977ec80a44567f1751e6b5e1fd1-dirty
...
[WARN] [08/04/2017 15:21:30.749] [New I/O boss #3] [NettyTransport(akka://Runner)] Remote connection to null failed with java.net.ConnectException: Connection refused: /127.0.0.1:15000
[WARN] [08/04/2017 15:21:30.752] [Runner-akka.remote.default-remote-dispatcher-7] [akka.tcp://Runner@127.0.0.1:5150/system/endpointManager/reliableEndpointWriter-akka.tcp%3A%2F%2FWeb%40127.0.0.1%3A15000-2] Association with remote system [akka.tcp://Web@127.0.0.1:15000] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://Web@127.0.0.1:15000]] Caused by: [Connection refused: /127.0.0.1:15000]
[INFO] [08/04/2017 15:21:30.758] [Runner-akka.actor.default-dispatcher-3] [akka.tcp://Web@127.0.0.1:15000/temp/$a] Message [com.olegych.scastie.api.SbtPong$] from Actor[akka://Runner/user/SbtActor#5867794] to Actor[akka.tcp://Web@127.0.0.1:15000/temp/$a] was not delivered. [3] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
[INFO] [08/04/2017 15:21:35.164] [Runner-akka.actor.default-dispatcher-3] [akka.tcp://Web@127.0.0.1:15000/temp/$b] Message [com.olegych.scastie.api.SbtPong$] from Actor[akka://Runner/user/SbtActor#5867794] to Actor[akka.tcp://Web@127.0.0.1:15000/temp/$b] was not delivered. [4] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
...
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$ sbt server/reStart
...
server Starting com.olegych.scastie.web.ServerMain.main()
server akka tcp config
server 127.0.0.1
server 15000
[success] Total time: 12 s, completed Aug 4, 2017 5:21:29 PM
> server akka.event.slf4j.Slf4jLogger:92 | Slf4jLogger started
server akka.remote.Remoting:83 | Starting remoting
server akka.remote.Remoting:83 | Remoting started; listening on addresses :[akka.tcp://Web@127.0.0.1:15000]
server akka.remote.Remoting:83 | Remoting now listens on addresses: [akka.tcp://Web@127.0.0.1:15000]
server c.o.scastie.balancer.DispatchActor:83 | connecting to: 127.0.0.1 [5150]
server ServerMain:90 | Scastie started (port: 9000)
...
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diff --git a/sbt-runner/src/main/resources/application.conf b/sbt-runner/src/main/resources/application.conf
index 241e1fc..36543b7 100644
--- a/sbt-runner/src/main/resources/application.conf
+++ b/sbt-runner/src/main/resources/application.conf
@@ -23,10 +23,13 @@ akka {
     netty.tcp {
       hostname = ${com.olegych.scastie.sbt.hostname}
       port = ${com.olegych.scastie.sbt.akka-port}
+      bind-hostname = "0.0.0.0"
+      bind-port = 5150
+      bind-port = ${?RUNNER_PORT}
       message-frame-size =  30000000b
       send-buffer-size =  30000000b
       receive-buffer-size =  30000000b
       maximum-frame-size = 30000000b
     }
   }
-}
\ No newline at end of file
+}