/assign @sebastienvas @mattdelco @hklai

/lgtm

The change appears to be adequate to get fpm added, but it's probably also appropriate to add:

https://github.com/istio/test-infra/blob/master/docker/istio_builders/Makefile

and maybe this one (but perhaps it's basically unused now and if anything should be deleted):

https://github.com/istio/test-infra/blob/master/docker/prowbazel/Makefile

I'm not entirely clear if anyone still uses these Makefiles anymore to generate the images or if instead people basically just run "docker build" and push it manually.

/test all [submit-queue is verifying that this PR is safe to merge]

/hold
matt / charles you can remove the hold once your concerns are addressed.
I did not want the bot to merge too fast.

@mattdelco @rkpagadala
Those two make files are in use (manual invocation of make image; make push is needed to create new image with fpm) and in fact their docker files call the linux-install-software script to install the prereqs.
See https://github.com/istio/test-infra/blob/master/docker/istio_builders/istio_builder/Dockerfile#L17
and https://github.com/istio/test-infra/blob/master/docker/prowbazel/Dockerfile#L17
If no other concern, please comment hold cancel

/hold cancel
/lgtm

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