Github user greghogan commented on the issue:
https://github.com/apache/flink/pull/3490
@kdombeck thank you for this PR! We now have [official Docker
images](https://ci.apache.org/projects/flink/flink-docs-release-1.3/setup/docker.html)
and I see that the contrib Dockerfile no longer hard codes a Flink version. If
this satisfies your request please close this PR.
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