Bind to http host to 0.0.0.0

Co-authored-by: Trevor Fitzgerald <fitztrev@users.noreply.github.com>

app/src/main/scala/Config.scala

@@ -21,7 +21,7 @@ case class AppConfig(redis: RedisConfig, server: HttpServerConfig, kamon: KamonC
 case class HttpServerConfig(host: Host, port: Port)
 
 object HttpServerConfig:
-  def host   = env("HTTP_HOST").or(prop("http.host")).as[Host].default(ip"127.0.0.1")
+  def host   = env("HTTP_HOST").or(prop("http.host")).as[Host].default(ip"0.0.0.0")
   def port   = env("HTTP_PORT").or(prop("http.port")).as[Port].default(port"9665")
   def config = (host, port).parMapN(HttpServerConfig.apply)