linghengqian commented on issue #507:
URL: 
https://github.com/apache/flagon-useralejs/issues/507#issuecomment-2411641217

   > *Is that a problem?*
   
   - This is not a problem because end users download the Elastic V2 LICENSE 
binaries from Docker Hub, and those binaries are not part of the source code at 
https://github.com/apache/flagon/tree/master/docker .
   - I believe the source code of 
https://github.com/apache/flagon/tree/master/docker will still be Apache V2, 
and this will not change due to any business decision of Elastic. 
https://github.com/apache/flagon/tree/master/docker just uses the Docker Image 
made by Elastic during the demonstration. It is very common to use the Apache 
V2 LICENSE Dockerfile to describe the installation process of the GPL V3 
LICENSE Docker Image. This is no different from the treatment of apache 
skywalking in https://github.com/apache/skywalking-showcase and 
https://github.com/apache/skywalking . Of course, skywalking does not need 
elasticsearch to run. It’s just that in the skywalking community, most people 
use elasticsearch as data storage.
   
   - When the final downstream user downloads the `.tar.gz` of 
https://github.com/apache/flagon from https://downloads.apache.org/ , the 
Docker Image is obviously not included. The user downloads the Docker Image 
from Docker Hub, which is not an official distribution channel of ASF at all. 
It is just a downstream distribution channel, and the LICENSE is handled quite 
freely. It is normal for Docker Images to contain proprietary software. If the 
LICENSE of all layers of a Docker Image really needs to be discussed, it will 
become very complicated. For example, the long article at 
https://www.linuxfoundation.org/resources/publications/docker-containers-what-are-the-open-source-licensing-considerations
 .
   - There is almost no need to consider Elastic V2 LICENSE, unless Apache 
Flagon must depend on Elasticsearch. Or Apache Flagon publishes an npm package 
that uses the https://github.com/elastic/eui npm package of Elastic V2 LICENSE. 
But if I remember correctly, npm is also not an official distribution channel 
of ASF.
   - When we talk about the official distribution channels of ASF, it is either 
https://repository.apache.org/ or https://downloads.apache.org/ . Other 
distribution channels not managed by ASF are actually not related to ASF, but 
sometimes ASF Infra helps maintain the accounts of these downstream channels.


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