Don't block the proc

cmd/root.go

@@ -272,11 +272,13 @@ func rootCmdRun(cmd *cobra.Command, _ []string) {
 	// Wait until all of the servers are ready to go before we fire up the SFTP and HTTP servers.
 	pool.StopWait()
 
+	go func() {
 		// Run the SFTP server.
 		if err := sftp.New().Run(); err != nil {
 			log.WithError(err).Fatal("failed to initialize the sftp server")
 			return
 		}
+	}()
 
 	// Ensure the archive directory exists.
 	if err := os.MkdirAll(c.System.ArchiveDirectory, 0755); err != nil {