[jira] [Created] (NIFI-4824) Dockerhub Image - allow user to specific host ports on startup

["Daniel Chaffelson (JIRA)" <ji...@apache.org>]

Daniel Chaffelson created NIFI-4824:
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             Summary: 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: 1.5.0, 1.4.0, 1.3.0, 1.2.0, 2.0.0, 1.6.0
            Reporter: Daniel Chaffelson


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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