[scl.org] rhscl dockerfiles

[David Martin]

Thanks Tomas,

I got something working with this

```
FROM registry.access.redhat.com/openshift3/nodejs-010-rhel7

# Extract app to work dir
....
# Other setup stuff
...

CMD source /opt/openshift/etc/scl_enable; npm start
```

On Fri, Aug 7, 2015 at 11:54 AM, Tomas Hrcka <thrcka at redhat.com> wrote:

>
>
> On 08/07/2015 11:07 AM, David Martin wrote:
>
> Thanks Tomas.
>
> Maybe my problem wasn't explained clearly enough. Apologies.
>
> I like to use a base nodejs image that behaves more like the one available
> on docker hub https://hub.docker.com/_/node/
> as opposed to one that requires the sti tools.
>
>
> You can use the sti tools just to build the nodejs010 base image.
> Or pull it from internal registry
> registry.access.redhat.com/openshift3/nodejs-010-rhel7
>
>
> e.g. I can use a Dockerfile like this to build a container for my app
>
> ```
> FROM nodejs
> ADD . /usr/src/app
> ```
>
> and build your app using appropriate tag in FROM
>
>
>
> then do a `docker build` and I have my image for my app.
>
>
> On Fri, Aug 7, 2015 at 7:38 AM, Tomas Hrcka <thrcka at redhat.com> wrote:
>
>> On 08/06/2015 05:08 PM, Honza Horak wrote:
>>
>>> Adding Tomas into CC, he maintains nodejs and has better knowledge what
>>> it means to run nodejs app.
>>>
>>> My nodejs-unexperienced thought would be you can create a new docker
>>> image, that will use `FROM: nodejs-010-rhel7` and:
>>> * add the app code somewhere into the image (e.g. into /opt/app-root/app)
>>> * changing CMD to run your application on pure `docker run`
>>>
>>> Or, theoretically, you don't have to create a new layer (image), just
>>> use volume mounting to get your app into the container. It would mean to
>>> run the image this way:
>>>
>>> #> docker run -v /your/app:/opt/app-root/app nodej-010-rhel7
>>> /opt/app-root/app/run.sh
>>>
>>> But I may be also wrong about how it is the best to do it. Or whether
>>> this way is something we should or shouldn't recommend.
>>>
>>> Sharing also to the ML, maybe others might have different opinions/ideas
>>> or at least issues.
>>>
>>> Honza
>>>
>>> On 08/06/2015 03:42 PM, David Martin wrote:
>>>
>>>> If there's a recommended way to use the sti nodejs image for simply
>>>> running a node app, that'd be great.
>>>> I'll spend some time trying to figure it out as I can't find Usage docs
>>>> other than doing an sti build.
>>>>
>>>
>> Hi David,
>> what I did when testing sti-nodejs, was that I have build sti-base[1]
>> from scratch for rhel7. You will end up with openshift/base-rhel7
>> build sti-nodejs afterwards you will have openshift/nodejs-010-rhel7 in
>> you local images list. Now you are ready to build&run your nodejs
>> application image with sti, like explained in usage[3].
>>
>> <snip>
>>
>>
>> [1] - https://github.com/openshift/sti-base
>> [2] - https://github.com/openshift/sti-nodejs
>> [3] -
>> https://github.com/openshift/sti-nodejs/blob/master/0.10/.sti/bin/usage
>>
>> --
>> Tomas Hrcka
>> Software Engineer - Developer Experience
>>
>>
>
>
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