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From Tsuyoshi Ozawa <oz...@apache.org>
Subject Re: [DISCUSS] Official Docker Image at release time
Date Thu, 21 Jul 2016 10:07:00 GMT
Hi Kai,

Thanks for your positive feedback!

> I think also providing Dockerfile in some flexible form (like template
file or fetching configuration from env variables?)
is useful because Docker image has fixed configuration and there is no room
unless overriding with FROM.

Sounds good idea. What do you think about the difference of roles
between master and workers? Should we prepare separate Dockerfiles for each
role?

Thanks,
- Tsuyoshi

On Tuesday, 19 July 2016, Sasaki Kai <sasaki@treasure-data.com> wrote:

> Hi Tsuyoshi
>
> Official docker image of Hadoop sounds very good to me.
> In my use case, we usually use Docker image of Hadoop as PoC or
> development cluster because it is easy to deploy and modify.
> Currently we use below Docker image or Dockerfile to launch our
> development cluster.
> https://hub.docker.com/r/sequenceiq/hadoop-docker/
>
> But it does not use the latest Hadoop package and dependencies. There is
> often some time lag to catch up and updating.
>
> So there is a reason to provide Docker image and Dockerfile from
> community. It enables developers to try Hadoop easily.
> I think also providing Dockerfile in some flexible form (like template
> file or fetching configuration from env variables?)
> is useful because Docker image has fixed configuration and there is no
> room unless overriding with FROM.
> I assume developers who want to try new Hadoop also would like to modify
> configuration or dependencies.
> This can be achieved by flexible Dockerfile which uses configuration
> passed from environment variables.
>
> Thanks
>
> Kai Sasaki
>
>
> On Jul 19, 2016, at 4:46 PM, Tsuyoshi Ozawa <ozawa@apache.org
> <javascript:_e(%7B%7D,'cvml','ozawa@apache.org');>> wrote:
>
> Hi developers,
>
> Klaus mentioned the availability of an official docker image of Apache
> Hadoop. Is it time that we start to distribute an official docker
> image at release time?
>
>
> http://mail-archives.apache.org/mod_mbox/hadoop-user/201607.mbox/%3CSG2PR04MB162977CFE150444FA022510FB6370%40SG2PR04MB1629.apcprd04.prod.outlook.com%3E
>
> Thoughts?
>
> Thanks,
> - Tsuyoshi
>
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