Function main

_examples/versions/main.go:22–49

()

)

func main() {
	r := chi.NewRouter()

	r.Use(middleware.RequestID)
	r.Use(middleware.Logger)
	r.Use(middleware.Recoverer)

	// API version 3.
	r.Route("/v3", func(r chi.Router) {
		r.Use(apiVersionCtx("v3"))
		r.Mount("/articles", articleRouter())
	})

	// API version 2.
	r.Route("/v2", func(r chi.Router) {
		r.Use(apiVersionCtx("v2"))
		r.Mount("/articles", articleRouter())
	})

	// API version 1.
	r.Route("/v1", func(r chi.Router) {
		r.Use(randomErrorMiddleware) // Simulate random error, ie. version 1 is buggy.
		r.Use(apiVersionCtx("v1"))
		r.Mount("/articles", articleRouter())
	})

	http.ListenAndServe(":3333", r)
}

func apiVersionCtx(version string) func(next http.Handler) http.Handler {
	return func(next http.Handler) http.Handler {