Trying to serve React SPA that uses react-router

user_10793698 0
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Im using Gorilla/Mux for routing and want to serve the React SPA regardless of the URL path. 

func main() {
fmt.Println("server running...")

hub := newHub()
go hub.run()

router := mux.NewRouter()
router.HandleFunc("/api/create", Api)
router.HandleFunc("/api/getpoll", Api)
router.HandleFunc("/api/update", Api)

router.HandleFunc("/sockets/{id}", func(w http.ResponseWriter, r 
*http.Request) {
    Socketme(hub, w, r)
})

//  router.HandleFunc("/{rest:.*}", emberHandler)
router.PathPrefix("/").HandlerFunc(serveFile)
log.Fatal(http.ListenAndServe(":5000", router))
}

 func serveFile(w http.ResponseWriter, r *http.Request) {
http.FileServer(http.Dir("./public/build")).ServeHTTP(w, r)
}

Dont want Go to give 404s the Spa should be handling these routes.

go
2 Answers

The Router exports a NotFoundHandler field which you can set to your custom handler.

router := mux.NewRouter()
router.NotFoundHandler = MyCustom404Handler

So you could do something like:

router.NotFoundHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    http.ServeFile(w, r, "./public/build/index.html")
}))

so that it always serves your index page when it would normally return a 404

user_20826730
user_107936980
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