Automatically set GOMAXPROCS and GOMEMLIMIT

[jenshu]

Gloo Edge Product

Open Source

Gloo Edge Version

1.17

Is your feature request related to a problem? Please describe.

It is good practice to set the Go runtime environment variables GOMAXPROCS and GOMEMLIMIT, which tell Go the max threads/memory it should use. We should set these in our containers that run Go (namely gloo and discovery) whenever resource limits are set.

See:
https://pkg.go.dev/runtime
https://blog.howardjohn.info/posts/gomaxprocs/

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