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Code Issues Releases Wiki Activity

Introduce flag for TCP port

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This commit is contained in:
Alex Ellis 2016-11-23 08:58:08 +00:00
parent fc9e4962d3
commit 11f2f48ebe
1 changed files with 8 additions and 1 deletions
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9
api.go
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@ -10,10 +10,16 @@ import (
"github.com/franela/play-with-docker/templates" "github.com/franela/play-with-docker/templates"
"github.com/gorilla/mux" "github.com/gorilla/mux"
"github.com/urfave/negroni" "github.com/urfave/negroni"
"flag"
"strconv"
) )
func main() { func main() {
var portNumber int
flag.IntVar(&portNumber, "port", 3000, "Give a TCP port to run the application")
flag.Parse()
welcome, tmplErr := templates.GetWelcomeTemplate() welcome, tmplErr := templates.GetWelcomeTemplate()
if tmplErr != nil { if tmplErr != nil {
log.Fatal(tmplErr) log.Fatal(tmplErr)
@ -56,6 +62,7 @@ func main() {
n := negroni.Classic() n := negroni.Classic()
n.UseHandler(r) n.UseHandler(r)
log.Fatal(http.ListenAndServe("0.0.0.0:3000", n)) log.Println("Listening on port "+ strconv.Itoa(portNumber))
log.Fatal(http.ListenAndServe("0.0.0.0:"+strconv.Itoa(portNumber), n))
} }