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We are running Docker Swarm + Ceph. All runs okay. We plan to move more of our internally developed as well as third party applications to Swarm. Now the issue I have is as follows:

Let’s say I deployed 10 third party applications as Swarm stacks. I do this with Docker stack deploy command. I supply docker-compose file to it (often, in its turn composed out of multiple docker-compose-*.yml files compiled via docker-compose config). Now, if I want to change something in the stack, I often need my initial compose-files. Is there any kind of registry for docker-compose deployment descriptors? Like docker image registry but for docker-compose descriptors?

One of the ideas I have is to maintain Git or Mercurial repository with some directory structure to version the descriptors. This idea looks interesting, but works (semi-)well just for third party applications. With our own applications this adds a problem, as we often use CI/CD. And this would mean that we need to checkout one more repository during deployment, replace deployment descriptors for our apps and commit them. This may be a little tricky, as it may potentially lead to merge conflicts, etc.

Ideally, the solution I am looking for shall provide an easy way to get the latest versions of deployment descriptors of a particular (deployed) stack at the same time holding previous versions of them. As well as to let me update deployment descriptors in an easy way.

How do you folks manage your docker-compose files when there are too much of them?

  • Why you said "With our own applications this adds a problem, as we often use CI/CD... "? What kind of problem are you facing? – lifeisfoo Mar 25 at 23:46
  • As I said, "this would mean that we need to checkout one more repository during deployment, replace deployment descriptors for our apps and commit them. This may be a little tricky, as it may potentially lead to merge conflicts, etc." – RodneyZ Mar 31 at 18:57

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