👋chi-router setup done

Author: manzil-infinity180

handler_err.go

@@ -0,0 +1,7 @@
+package main
+
+import "net/http"
+
+func handlerErr(w http.ResponseWriter, r *http.Request) {
+	respondWithError(w, 400, "something went wrong")
+}

json.go

@@ -6,6 +6,18 @@ import (
 	"net/http"
 )
 
+func respondWithError(w http.ResponseWriter, code int, msg string) {
+	if code > 499 {
+		log.Println("Error with the response 5XX :", msg)
+	}
+	type errResponse struct {
+		Error string `json:"error"`
+	}
+	respondWithJson(w, code, errResponse{
+		Error: msg,
+	})
+}
+
 func respondWithJson(w http.ResponseWriter, code int, payload interface{}) {
 	dat, err := json.Marshal(payload)
 	if err != nil {

main.go

@@ -27,7 +27,8 @@ func main() {
 	}))
 
 	v1Router := chi.NewRouter()
-	v1Router.HandleFunc("/healtz", handlerReadiness)
+	v1Router.Get("/healtz", handlerReadiness)
+	v1Router.Get("/err", handlerErr)
 	router.Mount("/v1", v1Router)
 	srv := &http.Server{
 		Handler: router,