add go fiber example

go-fiber-simple/cmd/api/healthcheck.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"net/http"
+)
+
+func (app *application) healthcheckHandler(w http.ResponseWriter, r *http.Request) {
+	data := map[string]string{
+		"status":  "ok",
+		"version": version,
+	}
+
+	// No need to add acess control origin headers. On other routes, that may be necessary
+	err := app.writeJSON(w, http.StatusOK, data, nil)
+	if err != nil {
+		app.logger.Error(err.Error())
+		http.Error(w, "server error", http.StatusInternalServerError)
+	}
+}