medium: https://medium.com/@deepak.r.poojari/pub-sub-model-using-sse-server-sent-events-97ab08eb36a benchmark: https://streamdata.io/blog/benchmark-server-sent-events-versus-polling/
copy file running_go_as_service to /etc/systemd/system/service_name.service sudo systemctl enable service_name sudo systemctl start service_name
check logs sudo journalctl -u service_name.service
any change in file restart deamon sudo systemctl daemon-reload sudo systemctl restart service_name