Re: Solr Docker discussion

[Chris Hostetter <ho...@fucit.org>]

FYI: I've implemented a PoC of this idea and opened SOLR-15127...

https://issues.apache.org/jira/browse/SOLR-15127


: Date: Fri, 22 Jan 2021 14:37:19 -0700 (MST)
: From: Chris Hostetter <ho...@fucit.org>
: To: Solr/Lucene Dev <de...@lucene.apache.org>
: Subject: Re: Solr Docker discussion
: 
: 
: : So I've taken a look at the Elastic docker images [1], and they are
: : structured much like official images, except for the use of multi-stage
: : builds. They have no ARGs, and the docker context is merely the directory
: : in which the Dockerfile sits. With this in mind, and wanting to still take
: : advantage of the Official Docker Image, we will likely need to do some sort
: : of templating, as Hoss suggested. This can be automated using gradle fairly
: : easily I would imagine, and we could ensure that the only changes it makes
: : is to the part of the image that downloads Solr. That way there is very
: : little room for differences to occur between local and release images.
: 
: If docker-library is willing to allow _/solr:X.Y images that are just 
: simple 'FROM apache/solr:X.Y' wrappers, and the apache/solr iamges can be 
: built with multi-stage builds, then i'm not sure we would really need 
: templating of the Dockerfile -- or to download a solr.tgz file.
: 
: The Dockerfile could have an initial stage that runs "gradle dist" to 
: compile the java source files -- using a build AEG to override the 
: default X.Y.Z-SNAPSHOT version variables -- while a later stage could 
: then take the resulting solr.tgz from the first stage and setup the file 
: layout for the final image.
: 
: So users wanting to build a "snapshot" docker image from their local 
: (possibly patched) checkout could just do...
: 
:   docker build -f solr/docker/Dockerfile .
: 
: Or from a remote git branch:
: 
:   docker build -f solr/docker/Dockerfile https://gitbox.apache.org/repos/asf/lucene-solr.git#branch_9x
: 
: while the official apache/solr:X.Y.Z image would could be reproducibly 
: buildable via...
: 
:   docker build --build-arg SOLR_VERSION=X.Y.Z -f solr/docker/Dockerfile https://gitbox.apache.org/repos/asf/lucene-solr.git#releases/lucene-solr/X.Y.Z
: 
: Same Dockerfile in all use cases, no need for intermediate downloading 
: from any remote servers.
: 
: 
: -Hoss
: http://www.lucidworks.com/
: 

-Hoss
http://www.lucidworks.com/

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