Update main.go

[ShivangShandilya]

Description

This PR fixes #288

Notes for Reviewers

log.Fatal() has been replaced with log.Error()

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[gyohuangxin]

@ShivangShandilya Thanks for your PR, I left a comment.

[Chadha93]

Thanks, @ShivangShandilya, could you help with the Go lint issue too here?

[ShivangShandilya]

Thanks, @ShivangShandilya, could you help with the Go lint issue too here?

Can you elaborate on this??

[Sweetdevil144]

I personally would favor usage of log.Fatal instead of consequent log.Error and return statements. It is because return statementstend to return while log.Fatal tends to stop the program. Imagine threading situations, where Fatal would be preferred over return's. I'd say this PR will rather degrade the system.