[cloud] #123: Document process for using Fedora-Dockerfile branches

[Fedora Cloud Trac Tickets]

#123: Document process for using Fedora-Dockerfile branches
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 Reporter:  scollier  |       Owner:
     Type:  task      |      Status:  new
 Priority:  normal    |   Milestone:  Future
Component:  ---       |  Resolution:
 Keywords:  meeting   |
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Comment (by bkabrda):

 Hi, I'd suggest creating a CONTRIBUTING.md file and putting the
 contribution guidelines in there. This way, Github will show it as a link
 in all pull requests. Perhaps you could create a pull request that would
 add this file and we could discuss the guidelines there?

 As for the part you created, I think it looks good overall, I just have
 some minor comments:
 * "It is done to ensure that we do not break the package in different
 releases of Fedora" - what do you mean by "break the package"? Which
 package is that?
 * "We would test the Dockerfile against right the Fedora release"
   * Did you mean to write "against the right Fedora release"?
   * If so, what exactly does that mean? What is the right Fedora release
 to test an image against?

 If you do decide to create a pull request as I suggested above, I also
 have several more suggestions:
 * Remove the section "The version of Docker that it was created and tested
 on."; it's not really important and it makes the READMEs look obsolete.
 * Remove the section "Instructions on how to build the Docker image.".
 Building instructions are pretty much the same for all the images and I
 don't think it's necessary to have them in all READMEs. Let's just have
 one instruction in the top level README file like "you can build any of
 the images as 'docker build --rm -t fedora/<directory-in-this-repo> .'"

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Ticket URL: <https://fedorahosted.org/cloud/ticket/123#comment:3>
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