#goreload
The goreload support zero-downtime restarts in go applications that provide HTTP and/or TCP service.
go get github.com/lostdragon/goreload
Send HUP to a process using goreload and it will restart without downtime.
kill -HUP ${pid}
Send QUIT to a process using goreload and it will graceful shutdown.
kill -QUIT ${pid}
| Signal | Function |
|---|---|
| TERM, INT | Quick shutdown |
| QUIT | Graceful shutdown |
| KILL | Halts a stubborn process |
| HUP | Graceful restart |
https://github.com/rcrowley/goagain
http://grisha.org/blog/2014/06/03/graceful-restart-in-golang/