refactor: apk usage in Dockerfile

[PeterDaveHello]

Less commands, faster build, and smaller image!

[github-actions]

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[PeterDaveHello]

@achettyiitr anything I can do 😅 ?

[achettyiitr]

Any reason, we are skipping the update here?

[PeterDaveHello]

@achettyiitr @atzoum just FYR, it's kind of Dockerfile best practices:

https://github.com/hadolint/hadolint/wiki/DL3019

[github-actions]

This PR is considered to be stale. It has been open 20 days with no further activity thus it is going to be closed in 5 days. To avoid such a case please consider removing the stale label manually or add a comment to the PR.

[PeterDaveHello]

Not sure if there's anything I can do here?

[atzoum]

Thank you @PeterDaveHello, have you performed this step?
https://github.com/rudderlabs/rudder-server/blob/master/CONTRIBUTING.md#rudderstack-contributor-agreement

[PeterDaveHello]

It's done now!

[lvrach]

Thanks @PeterDaveHello for the contribution