Add pprof

Makefile

@@ -7,9 +7,12 @@ all: checkcalls
 	go build -o gordio ${LDFLAGS} ./cmd/gordio/
 	go build -o calls ${LDFLAGS} ./cmd/calls/
 
+buildpprof:
+	go build -o gordio-pprof ${LDFLAGS} -tags pprof ./cmd/gordio
+
 clean:
 	rm -rf client/calls/ && mkdir client/calls && touch client/calls/.gitkeep
-	rm -f gordio calls
+	rm -f gordio calls gordio-pprof
 
 checkcalls:
 	@test -e client/calls/index.html || make getcalls

pkg/gordio/server/noprofile.go

@@ -0,0 +1,5 @@
+// +build !pprof
+
+package server
+
+func (s *Server) installPprof() {}

pkg/gordio/server/profile.go

@@ -0,0 +1,16 @@
+// +build pprof
+
+package server
+
+import (
+	"net/http/pprof"
+)
+
+func (s *Server) installPprof() {
+	r := s.r
+	r.HandleFunc("/debug/pprof/", pprof.Index)
+	r.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
+	r.HandleFunc("/debug/pprof/profile", pprof.Profile)
+	r.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
+	r.HandleFunc("/debug/pprof/trace", pprof.Trace)
+}

pkg/gordio/server/routes.go

@@ -28,6 +28,8 @@ func (s *Server) setupRoutes() {
 	r := s.r
 	r.Use(middleware.WithValue(database.DBCTXKeyValue, s.db))
 
+	s.installPprof()
+
 	r.Group(func(r chi.Router) {
 		// authenticated routes
 		r.Use(s.auth.VerifyMiddleware(), s.auth.AuthMiddleware())