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https://issues.apache.org/jira/browse/NIFI-4824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16347581#comment-16347581
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ASF GitHub Bot commented on NIFI-4824:
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Github user jdye64 commented on the issue:
https://github.com/apache/nifi/pull/2439
+1 everything built and ran well for me. Merging now.
> Dockerhub Image - allow user to specific host ports on startup
> --------------------------------------------------------------
>
> Key: NIFI-4824
> URL: https://issues.apache.org/jira/browse/NIFI-4824
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Docker
> Affects Versions: 1.2.0, 2.0.0, 1.3.0, 1.4.0, 1.5.0, 1.6.0
> Reporter: Daniel Chaffelson
> Priority: Critical
>
> As a user of the official apache/nifi Docker image, I would like to be able
> to easily pass in the ports I want NiFi to start on. This is particularly
> important since the 1.5.0 release, where remapping ports outside the
> container cause NiFi to throw a security error.
> This will be particularly useful in NiFI-1.5.0 and newer, where users are
> often running multiple instances of the same version in order to test Flow
> Versioning and other new features around the NiFi-Registry project.
> This can be done by slightly modifying the startup scripts included in the
> package to use an environment variable if available, or a default if it is
> not provided. It is then very easy to pass an environment variable to the
> Docker image on startup.
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