Fix Ctrl-C handling

internal/domains/deconnector/tunnel.go

@@ -37,7 +37,9 @@ func (d *Deconnector) handleTunnel(clientConn net.Conn, host string, upstreamURL
 	fmt.Fprintf(clientConn, "HTTP/1.1 200 Connection established\r\n\r\n")
 
 	done := make(chan struct{}, 2)
+
 	go func() { io.Copy(upstreamConn, clientConn); done <- struct{}{} }()
 	go func() { io.Copy(clientConn, upstreamConn); done <- struct{}{} }()
+
 	<-done
 }