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From Keegan Witt <keeganw...@gmail.com>
Subject Re: Groovy Docker images
Date Mon, 12 Dec 2016 16:45:42 GMT
It would be nice to be able to offer an Alpine based image.  There's quite
a size difference.  The non-Alpine image is 388.4 MB while the Alpine image
is 189 MB, less than 1/2 the size.

Do you think we should mount ~/.groovy as a volume?  Might be useful for
~/.groovy/grapes in particular.

On Sun, Dec 11, 2016 at 5:12 AM, Keegan Witt <keeganwitt@gmail.com> wrote:

> Thanks for the feedback, Thibault.  I've responded in-line.
>
>    - Might be better not to start groovysh, might be mentioned in
>    Dockerfile comments instead
>    - It's just a default to be run when the user does "docker run", they
>       can specify an alternative command to run if they choose (see my grape
>       example further down).  Ruby, JRuby, and Python all do this, and it's
>       mentioned in Docker's best practices
>       <https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/#cmd>
>       .
>    - Add Dockerfile comments, at least a link to the repo containing the
>    dockerfiles
>       - Did you mean a link to the Docker Hub page?  If not, what
>       comments do you think would be helpful in the Dockerfiles?
>    - Add a LICENSE file to the github repo
>       - Good catch.  Done.
>    - Add a travis job to the github repo that verifies the Dockerfiles
>       - Yea, I intend to change the readme to link to the Docker Hub page
>       (once published) and a Travis job, as you've suggested.  Build automation
>       is something I have to work out yet, goes with the templating work I
>       mentioned.
>       - Provide one sample image on top of those images with some hello
>    world application
>    - Usage is pretty straightforward, but I could do that.  It probably
>       should be in a separate repo though, don't you think?  Also any suggestions
>       on a good sample?  I was thinking something not compiled Groovy, because
>       for that you'd just run with Java Docker image, no need for Groovy on
>       path.  Maybe a script of some kind.
>    - Check if grapes can be run from containers
>       - Grape seemed to work, was there a particular problem you were
>       concerned about?
>
> $ docker run -it --rm --name groovy groovy:jre8-latest
>
> Dec 11, 2016 9:37:40 AM java.util.prefs.FileSystemPreferences$1 run
>
> INFO: Created user preferences directory.
>
> Groovy Shell (2.4.7, JVM: 1.8.0_111)
>
> Type ':help' or ':h' for help.
>
> ------------------------------------------------------------
> ------------------------------------------------------------
> ------------------------------------------------------------
> --------------------------
>
> groovy:000> groovy.grape.Grape.grab(group:'org.springframework',
> module:'spring', version:'2.5.6')
>
> ===> null
>
>
> $ docker run -it --rm --name groovy groovy:jre8-latest grape install
> 'org.springframework' 'spring' '2.5.6'
>
> :: loading settings :: url = jar:file:/opt/groovy/lib/ivy-2
> .4.0.jar!/org/apache/ivy/core/settings/ivysettings.xml
>
> :: resolving dependencies :: caller#all-caller;working72
>
>         confs: [default]
>
>         found org.springframework#spring;2.5.6 in jcenter
>
>         found commons-logging#commons-logging;1.1.1 in jcenter
>
> downloading https://jcenter.bintray.com/org/springframework/spring/2.5.
> 6/spring-2.5.6.jar ...
>
>         [SUCCESSFUL ] org.springframework#spring;2.5.6!spring.jar (2741ms)
>
> downloading https://jcenter.bintray.com/commons-logging/commons-logging/
> 1.1.1/commons-logging-1.1.1.jar ...
>
>         [SUCCESSFUL ] commons-logging#commons-logging;1.1.1!commons-logging.jar
> (719ms)
>
>
> On Sun, Dec 11, 2016 at 3:32 AM, Thibault Kruse <tibokruse@googlemail.com>
> wrote:
>
>> Some minor comments:
>> - might be better not to start groovysh, might be mentioned in
>> Dockerfile comments instead
>> - Add Dockerfile comments, at least a link to the repo containing the
>> dockerfiles
>> - Add a LICENSE file to the github repo
>> - Add a travis job to the github repo that verifies the Dockerfiles
>> - check if grapes can be run from containers
>> - Provide one sample image on top of those images with some hello
>> world application
>>
>>
>> On Sun, Dec 11, 2016 at 3:24 PM, Keegan Witt <keeganwitt@gmail.com>
>> wrote:
>> > Sorry for the long turnaround on this.  I've got some basic Dockerfiles
>> put
>> > together: https://github.com/keeganwitt/groovy-docker.  Please let me
>> know
>> > what I can improve.  One thing I might do is template out the
>> Dockerfiles
>> > similar to what Ruby did to make it easier to publish images when
>> there's a
>> > new Groovy version.
>> >
>> > I planned on creating both Alpine and non-Alpine images since that
>> seems to
>> > be the current practice.  But we need to get GROOVY-7906 resolved for
>> the
>> > Alpine images to work.
>> >
>> > I'm concerned about whether it'd be legal for us to distribute the
>> Oracle
>> > JDK with Groovy.  I saw this article on the topic:
>> > http://blog.takipi.com/running-java-on-docker-youre-breaking-the-law/.
>> I
>> > don't speak legalize though.  I haven't seen anyone else (Jruby, etc)
>> > publishing Oracle JDK, and Oracle has never published Docker images that
>> > were not OpenJDK.  The only images floating out there have been
>> > community-created.  So for the time being, I don't plan to publish
>> Oracle
>> > based images.
>> >
>> > Once we think these look good, I'll move the repo over to groovy org in
>> > Github and we'll get them published to Docker Hub.  Maybe we could also
>> ask
>> > Apache Infra to get them added to https://hub.docker.com/u/apache/, I
>> > haven't decided.  What do you think?
>> >
>> > On Fri, Sep 9, 2016 at 11:19 PM, Corum, Michael <mcorum@rgare.com>
>> wrote:
>> >>
>> >> Not related to Groovy as much.  We’ve never been able to get OpenJDK
>> (7 or
>> >> 8) to work properly with Oracle JDBC drivers on Alpine.  Always have
>> to use
>> >> Oracle JDK and in the research we did, we found others with the same
>> issues.
>> >>
>> >> Michael Corum
>> >>
>> >> VP, Technical Architecture Solutions
>> >>
>> >>
>> >>
>> >> RGA Reinsurance Company
>> >>
>> >> 16600 Swingley Ridge Road
>> >>
>> >> Chesterfield, Missouri 6301701706
>> >>
>> >> T 636.736.7066
>> >>
>> >> www.rgare.com
>> >>
>> >>
>> >>
>> >>
>> >> From: Guillaume Laforge <glaforge@gmail.com>
>> >> Reply-To: "users@groovy.apache.org" <users@groovy.apache.org>
>> >> Date: Friday, September 9, 2016 at 10:16 PM
>> >> To: "users@groovy.apache.org" <users@groovy.apache.org>
>> >> Subject: Re: Groovy Docker images
>> >>
>> >> Out of curiosity, what's the problem with OpenJDK?
>> >> Is it related to Groovy or not at all?
>> >>
>> >> On Sat, Sep 10, 2016 at 5:09 AM, Corum, Michael <mcorum@rgare.com>
>> wrote:
>> >>>
>> >>>
>> >>> Either one
>> >>> Alpine – I suspect others will want other options though
>> >>> Would most definitely prefer Oracle but I assume other would want
>> OpenJDK
>> >>> as well.  For my purposes OpenJDK just doesn’t work at all.
>> >>>
>> >>> Michael Corum
>> >>>
>> >>> VP, Technical Architecture Solutions
>> >>>
>> >>>
>> >>>
>> >>> RGA Reinsurance Company
>> >>>
>> >>> 16600 Swingley Ridge Road
>> >>>
>> >>> Chesterfield, Missouri 6301701706
>> >>>
>> >>> T 636.736.7066
>> >>>
>> >>> www.rgare.com
>> >>>
>> >>>
>> >>>
>> >>>
>> >>> From: Keegan Witt <keeganwitt@gmail.com>
>> >>> Reply-To: "users@groovy.apache.org" <users@groovy.apache.org>
>> >>> Date: Friday, September 9, 2016 at 9:48 PM
>> >>> To: "users@groovy.apache.org" <users@groovy.apache.org>
>> >>> Subject: Groovy Docker images
>> >>>
>> >>> I was thinking of putting together some Docker images for Groovy, with
>> >>> the idea they might be useful to base Grails, Gradle, etc images on
>> and
>> >>> wondered people's opinions on a few things.
>> >>>
>> >>> Should I install Groovy manually in somewhere like /opt?  Or use
>> SDKMAN?
>> >>> Should I have images based on Alpine and Debian? Alpine only?
>> >>> I presume OpenJDK images are fine as bases?  Any reason we'd need an
>> >>> Oracle based image too?
>> >>>
>> >>> Thoughts?
>> >>>
>> >>> -Keegan
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Guillaume Laforge
>> >> Apache Groovy committer & PMC Vice-President
>> >> Developer Advocate @ Google Cloud Platform
>> >>
>> >> Blog: http://glaforge.appspot.com/
>> >> Social: @glaforge / Google+
>> >
>> >
>>
>
>

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