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From Mike Jumper <>
Subject Namespacing of subproject Docker images vs. Incubator policy
Date Sun, 28 Aug 2016 23:21:07 GMT
Hello all,

We, Apache Guacamole (incubating), would like to migrate our project's
Docker images to something beneath the ASF, but I am unsure how to
proceed, nor the form that this migration would best take.

We currently have two repositories which provide Docker images:
incubator-guacamole-client [1] and incubator-guacamole-server [2].
Prior to acceptance into the Apache Incubator, these repositories were
used to produce the "glyptodon/guacamole" [3] and "glyptodon/guacd"
[4] images respectively.

As there is already an "apache/*" organization defined at Docker Hub
(albeit a virtual desert) [5] and there was positive discussion
regarding including the images of incubating projects under that
organization [6], it seems that would be the logical and
straightforward choice ... but because one of those images ("guacd")
would not be namespaced by the project's own name, I'm unsure if this
is actually possible/allowed.

Ideally we would end up with a mapping like:

    incubator-guacamole-client -> apache/guacamole
    incubator-guacamole-server -> apache/guacd

Or, since we're incubating, perhaps:

    incubator-guacamole-client -> apache/incubator-guacamole
    incubator-guacamole-server -> apache/incubator-guacd

But again, I'm not sure if "apache/incubator-guacd" would be a
violation of policy.

Alternatively, a cleaner approach could be to define a Docker Hub
organization specific to the project, as that would provide a nice
analogy to the project/subproject relationship that exists between
Apache Guacamole the "guacamole" and "guacd" applications:

    incubator-guacamole-client -> guacamole/guacamole
    incubator-guacamole-server -> guacamole/guacd

But I'm not sure if THAT would be a violation of policy. Further,
after creating exactly such an organization for the sake of testing,
I've found that I can't set up the necessary linkage for enabling
automatic builds (the organization would need to be owned by a user
with sufficient access rights to the Apache GitHub mirrors).

Any suggestions?


- Mike


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