[RFC 1/1] tools: Dockerfile for armv7

[Heinrich Schuchardt]

On 10/28/22 21:04, Tom Rini wrote:
> On Sun, Oct 16, 2022 at 12:03:30PM +0200, Heinrich Schuchardt wrote:
>> On 10/16/22 09:43, Heinrich Schuchardt wrote:
>>> Provide an armv7 docker environment to build and test the sandbox.
>>>
>>> Signed-off-by: Heinrich Schuchardt<heinrich.schuchardt at canonical.com>
>>> ---
>>> I have been discussing with Simon, if we can test sandbox_defconfig
>>> build on arm in a docker container. This RFC is just a small step on
>>> the path to it.
>>
>> We also need a separate requirements.txt with pygit2==1.6.1 due the
>> different version of libgit in the armhf version of Ubuntu Jammy.
> 
> So, what are the general best practices to have a Dockerfile that can be
> / is used for generating multiple platforms worth of images? We should
> aim for a single Dockerfile that can be used for x86-64, armv7 and
> aarch64.
> 

As we execute bash commands in the Dockerfile we could use if/fi and 
case/esac to work around differences between architectures.

Except on amd64 we only want to execute the sandbox. So there is no need 
to build GRUB, QEMU, and swtmp/libtmps.

Best regards

Heinrich