[GitHub] [nifi] exceptionfactory commented on pull request #6329: NIFI-10360 VOLUME declaration prevents updating flow from CI

[GitBox <gi...@apache.org>]

exceptionfactory commented on PR #6329:
URL: https://github.com/apache/nifi/pull/6329#issuecomment-1226093108

   Thanks for the reply @vitalyzhakov!
   
   That post provides a helpful summary of the problems with declared volumes in Dockerfiles.
   
   Taking a look at some of the official Docker images, however, it seems that the use of `VOLUME` is common for mutable locations. The [MongoDB](https://github.com/docker-library/mongo/blob/master/Dockerfile-linux.template#L111) and [MySQL](https://github.com/docker-library/mysql/blob/master/template/Dockerfile.debian#L92) templates use `VOLUME` for the data and configuration directories.
   
   I agree that providing an optimal configuration in the standard community image is the best solution. With that being said, NIFI-5438 introduced volumes several years ago, so this approach has been the standard for several years.


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