Pass the empty config in case the config file is not used + enhance port validity check

4 jobs for fix-apply-config in 5 minutes and 47 seconds (queued for 1 second)
latest
Status Name Job ID Coverage
  Lint
passed lint #47685

00:00:58

 
  Build
passed build #47686

00:02:52

 
  Test
passed lint_history #47688

00:01:56

passed test #47687

00:01:41