Use gRPC TLS sample server reference for cicd

[salrashid123]

This repo is a simple gRPC TLS server for ocicrypt

• https://github.com/salrashid123/ocicrypt-grpc-keyprovider

which can be used as a reference to this repo and possibly in cicd workflow here

ref containers/ocicrypt#127 (comment)

If needed, i can submit a PR directly into this repo (eg under an examples/ folder) and migrate the sample over here

[stefanberger]

If needed, i can submit a PR directly into this repo (eg under an examples/ folder) and migrate the sample over here

Great. I would rather have you do this so we always have the server available for testing.

[salrashid123]

i can certainly migrate the code in here and remove my repo but unfortunately, i don't have the bandwith (or more precisely bash knowhow) to update test_encryption.sh to accomodate and run the tls grpc tests within CI.

What i can do is update the grpc server to by default include all the certs so its easier to run standalone (i.,e you don't need to copy certs in to make it run within CI).

Note, i'm leaving the gcp cloud run server running always so plain TLS can be tested by anyone