with play-ws it's even ws.url("http://example.comupload").withHeaders("Content-Type" -> "image/jpeg").post() Also this is non blocking, while the go code

with play-ws it's even ws.url("http://example.comupload").withHeaders("Content-Type" -> "image/jpeg").post() Also this is non blocking, while the go code will bock, by default. there is even akka-http now which could be wrapped really great which is streamed by default, even better.