GoSrv is a thin wrapper around Go's HTTP server, to provide basic command-line functionality, env-specific configuration, request logging, graceful shutdowns, and daemonization.
$ myserver -h
Usage: myserver [options]
-a: ":9000" Server address
-pid: "myserver.pid" Server PID File
-c: "myserver.cfg" Config file
-e: "dev" Environment to run server in
-d: false Run server as daemon
-stop: false Stop running server and exit
-restart: false Stop running server and boot daemon
-kill: false Force kill running server and exit[DEFAULT]
addr=":9000"
pidFile=path/to/file.pid
readTimeout=5s
writeTimeout=500ms
certFile=path/to/myserver.cert
keyFile=path/to/myserver.key
timeFormat=(02/01/2006 15:04:05)
logFormat=$RemoteAddr - $RemoteUser $Time "$Request" $Status $BodyBytes
logFile=path/to/myserver.log
customThing=foobar
[dev]
customThing=baz
[prod]
readTimeout=2s
package main
import (
"fmt"
"gosrv"
"net/http"
)
func main() {
s, err := gosrv.NewFromFlag()
if err != nil { panic(err) }
customThing, err := s.Config.String("customThing")
if err != nil { fmt.Println("Custom thing is "+customThing+" for environment "+s.Config.Env) }
s.HandleFunc("/", handler)
err = s.ListenAndServe()
if err != nil { panic(err) }
}
func handler(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hello World!\n"))
res := w.(*gosrv.Response)
for i := 0; i < 100; i++ {
// Some long running request
time.Sleep(50 * time.Millisecond)
// Check to see if the server is trying to shut down
if res.StopSignal() {
break
}
}
}