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fix: Custom port #3

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fix: Custom port #3

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14 changes: 11 additions & 3 deletions server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ import (

const (
publicDir string = "./public"
port int = 8081
defaultPort int = 8081
envFlagAllowCreate string = "GULL_ALLOW_CREATE"
)

Expand All @@ -26,6 +26,14 @@ func main() {
a.Initialize("sqlite3", "./data/data.db")
defer a.DB.Close()

port := os.Getenv("PORT")
portNum := defaultPort
if port != "" {
if p, err := strconv.Atoi(port); err == nil {
portNum = p
}
}

r := mux.NewRouter()
if allowCreate {
r.HandleFunc("/", a.CreateShortURL).Methods("POST")
Expand All @@ -35,6 +43,6 @@ func main() {
r.PathPrefix("/").Handler(http.FileServer(http.Dir(publicDir))).Methods("GET")
http.Handle("/", r)

log.Println("Server is listening on port", port)
log.Fatal(http.ListenAndServe(":"+strconv.Itoa(port), nil))
log.Println("Server is listening on port", portNum)
log.Fatal(http.ListenAndServe(":"+strconv.Itoa(portNum), nil))
}