Add Profiler middleware

profiler.go

@@ -0,0 +1,29 @@
+package middleware
+
+import (
+	"expvar"
+	"net/http"
+	"net/http/pprof"
+)
+
+// Profiler is a convenient subrouter used for mounting net/http/pprof
+func Profiler() http.Handler {
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("/pprof/", pprof.Index)
+	mux.HandleFunc("/pprof/cmdline", pprof.Cmdline)
+	mux.HandleFunc("/pprof/profile", pprof.Profile)
+	mux.HandleFunc("/pprof/symbol", pprof.Symbol)
+	mux.HandleFunc("/pprof/trace", pprof.Trace)
+
+	mux.Handle("/pprof/goroutine", pprof.Handler("goroutine"))
+	mux.Handle("/pprof/threadcreate", pprof.Handler("threadcreate"))
+	mux.Handle("/pprof/mutex", pprof.Handler("mutex"))
+	mux.Handle("/pprof/heap", pprof.Handler("heap"))
+	mux.Handle("/pprof/block", pprof.Handler("block"))
+	mux.Handle("/pprof/allocs", pprof.Handler("allocs"))
+
+	mux.Handle("/vars", expvar.Handler())
+
+	return Wrap(mux, NoCache)
+}