in apps/simple-frontend-otel/main.go [22:38]
func main() {
initTracer()
// Create a new HTTP router to handle incoming client requests
r := mux.NewRouter()
r.Use(otelmux.Middleware("my-server"))
// When client makes GET request to /hello-world
// handler() will execute
r.HandleFunc("/hello-world", handler).Methods(http.MethodGet)
// Start the server and listen on localhost:8080
http.ListenAndServe(":8080", r)
}