Reports

I couldn't see I was checking session instead of err which inevitably would run log.Fatal

 session, err := client.NewSession()
    if session != nil {
        log.Fatalf("Unable to create a session %v", err)
    }

My code should have actually check err instead like this:

 session, err := client.NewSession()
    if err != nil {
        log.Fatalf("Unable to create a session %v", err)
    }

The credit for this answer goes to @Mr_Pink

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