simple.go

package main

import (
        "flag"
        "fmt"
        "log"
        "net/http"
        "os"
        "os/signal"

        "github.com/codegangsta/negroni"
        "github.com/goincremental/negroni-sessions"
        "github.com/goincremental/negroni-sessions/cookiestore"
        "github.com/gorilla/mux"
        "github.com/pborman/uuid"
        "github.com/unrolled/render"
)

var signalsChan = make(chan os.Signal, 1)

func main() {
        flag.Parse()

        signal.Notify(signalsChan, os.Interrupt)

        go func() {
                for sig := range signalsChan {
                        log.Printf("Exiting... %v\n", sig)
                        signalsChan = nil
                        os.Exit(1)
                }
        }()

        ren := render.New(render.Options{Layout: "layout"})

        store := cookiestore.New([]byte(uuid.NewUUID().String()))
        n := negroni.New(
                negroni.NewRecovery(),
                negroni.NewLogger(),
                negroni.NewStatic(http.Dir("public")),
        )
        n.Use(sessions.Sessions("session", store))

        router := mux.NewRouter()

        // Frontend
        router.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
                http.ServeFile(w, r, fmt.Sprintf("public/index.html"))
        }).Methods("GET")

        // simple get request to get a string box
        router.HandleFunc("/api/v1/hello", func(w http.ResponseWriter, r *http.Request) {
                ren.JSON(w, http.StatusOK, "hello")
        }).Methods("GET")

        // simple get with url field parameter
        router.HandleFunc("/api/v1/hello/{name}", func(w http.ResponseWriter, r *http.Request) {
                vars := mux.Vars(r)
                name := vars["name"]
                ren.JSON(w, http.StatusOK, map[string]interface{}{"name": name})
        }).Methods("GET")

        n.UseHandler(router)
        n.Run(":8080")
}