✨ Able to build provider docker without Makefile and Dockerfile modifications

[dmvolod]

What this PR does / why we need it:

This fix allows to customize docker build with Makefile parameters

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #329

[k8s-ci-robot]

Hi @dmvolod. Thanks for your PR.

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[mboersma]

/ok-to-test

[mboersma]

This lgtm overall, thanks! Just one comment below.

What's your specific goal with this PR? This seems like a nice addition of flexibility, I'm just curious what doesn't work in your case with the default image (and whether we should make any of that the default).

[dmvolod]

What's your specific goal with this PR? This seems like a nice addition of flexibility, I'm just curious what doesn't work in your case with the default image (and whether we should make any of that the default).

Thanks for the response.

This PR can't help the community that builds the provider image based on public and fixed image registries right now, but it can help those like us who build it in a private environment and with a private image registry. Right now, we need to make changes to the Dockerfile and Makefile every time to build the image in our CI environment and need to rebase for each new commit in upstream registry.

Perhaps in the future it will be possible to more flexibly configure the assembly of CI image in the community, without changing their sources each time or changing them only in the Makefile.

[mboersma]

/lgtm
/assign @Jont828

[Jont828]

LGTM besides a few questions!

[Jont828]

/lgtm
/approve

Thanks for the contribution!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dmvolod, Jont828

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