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package middleware
import (
"expvar"
"net/http"
"net/http/pprof"
"github.com/go-chi/chi/v5"
)
// Profiler is a convenient subrouter used for mounting net/http/pprof. ie.
//
// func MyService() http.Handler {
// r := chi.NewRouter()
// // ..middlewares
// r.Mount("/debug", middleware.Profiler())
// // ..routes
// return r
// }
func Profiler() http.Handler {
r := chi.NewRouter()
r.Use(NoCache)
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, r.RequestURI+"/pprof/", http.StatusMovedPermanently)
})
r.HandleFunc("/pprof", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, r.RequestURI+"/", http.StatusMovedPermanently)
})
r.HandleFunc("/pprof/*", pprof.Index)
r.HandleFunc("/pprof/cmdline", pprof.Cmdline)
r.HandleFunc("/pprof/profile", pprof.Profile)
r.HandleFunc("/pprof/symbol", pprof.Symbol)
r.HandleFunc("/pprof/trace", pprof.Trace)
r.Handle("/vars", expvar.Handler())
r.Handle("/pprof/goroutine", pprof.Handler("goroutine"))
r.Handle("/pprof/threadcreate", pprof.Handler("threadcreate"))
r.Handle("/pprof/mutex", pprof.Handler("mutex"))
r.Handle("/pprof/heap", pprof.Handler("heap"))
r.Handle("/pprof/block", pprof.Handler("block"))
r.Handle("/pprof/allocs", pprof.Handler("allocs"))
return r
}
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