Add libnss_wrapper and a wrapper to use it

[Vampouille]

Compile libnss_wrapper from source and create a script that populate at
runtime passwd/group databases with current running user.

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[Vampouille]

I'm not very confortable with building libnss_wrapper in this image as said by @tianon here : docker-library/postgres#543 it is the responsibility of this repository to maintain build instructions of libnss_wrapper ?

[thockin]

If we switch to debian as a base, this gets easier right? #154

[Vampouille]

If we switch to debian as a base, this gets easier right?

Yes we can remove this build part

[fejta-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle stale

[thockin]

/lifecycle frozen
/remove-lifecycle stale
/remove-lifecycle rotten

[thockin]

Closing as abandoned for now.