Hi, > > On Docker Hub, you have a 1.4.0-RC1 image. > https://hub.docker.com/r/apache/answer/tags > > I don't think you should be making Docker images available for > 1.4.0-RC1 until the release vote is passed.
As per [1] it is fine as long as it is clearly marked. Kind Regards, Justin 1. https://incubator.apache.org/guides/distribution.html
