gohttpserver/httpserver/routes.go

package httpserver

import (
	sentryhttp "github.com/getsentry/sentry-go/http"
	"github.com/gorilla/mux"
)

func (s *server) routes() {
	s.router = mux.NewRouter()

	authMiddleware := s.AuthMiddleware()

	s.router.HandleFunc("/", s.handleIndex()).Methods("GET")

	// if you want to use a general purpose middleware (http.Handler
	// wrapper) on a specific HandleFunc route, you need to take the
	// .ServeHTTP of the http.Handler to get its HandleFunc, viz:
	s.router.HandleFunc(
		"/login",
		authMiddleware(s.handleLogin()).ServeHTTP,
	).Methods("GET")

	s.router.HandleFunc(
		"/.well-known/healthcheck.json",
		s.handleHealthCheck(),
	).Methods("GET")

	// route that panics for testing
	// CHANGEME remove this
	s.router.HandleFunc(
		"/panic",
		s.handlePanic(),
	).Methods("GET")

	// the Gorilla mux .Use() takes a http.Handler wrapper func, like
	// most things that deal with "middlewares" like alice et c, and
	// will call ServeHTTP on it.  These middlewares applied by the mux
	// (you can .Use() more than one) will be applied to every request
	// into the service.
	s.router.Use(s.LoggingMiddleware())

	// this adds a sentry reporting middleware if and only if
	// sentry is enabled via setting of SENTRY_DSN in env.
	if s.sentryEnabled {
		// Options docs at
		// https://docs.sentry.io/platforms/go/guides/http/
		sentryHandler := sentryhttp.New(sentryhttp.Options{})
		s.router.Use(sentryHandler.Handle)
	}
}