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https://issues.apache.org/jira/browse/NIFI-4057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16046050#comment-16046050
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Adam Taft commented on NIFI-4057:
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Yes, you're right. Using the JRE only version might be a good idea as well.
Maybe use openjdk:jre-8 as the base image?
Are there any JSPs etc. that are dependent on the JDK compiler? I don't think
so, but [~mcgilman] would know for sure
Since we're assigning UID=1000, how about GID=1000 to follow tradition? In
fact, I would just recommend we don't bother with the group creation at all,
because calling useradd will create a group with the same GID as the UID by
default.
> Docker Image is twice as large as necessary
> -------------------------------------------
>
> Key: NIFI-4057
> URL: https://issues.apache.org/jira/browse/NIFI-4057
> Project: Apache NiFi
> Issue Type: Bug
> Components: Docker
> Affects Versions: 1.2.0, 1.3.0
> Reporter: Jordan Moore
> Priority: Minor
>
> By calling {{chown}} as a secondary {{RUN}} command, you effectively double
> the size of image by creating a Docker layer of the same size as the
> extracted binary.
> See GitHub discussion:
> https://github.com/apache/nifi/pull/1372#issuecomment-307592287
> *Expectation*
> The resultant Docker image should be no larger than the Base image + the size
> required by extracting the Nifi binaries.
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