Improve HTTP server.

internal/services/core/httpserver/request_logger.go

@@ -3,22 +3,24 @@ package httpserver
 import (
 	"fmt"
 	"net/http"
-	"time"
+
+	"github.com/felixge/httpsnoop"
 )
 
 func (h *httpServer) requestLoggingMiddleware(fn http.HandlerFunc) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		startTime := time.Now()
-
-		fn(w, r)
+	return func(w http.ResponseWriter, req *http.Request) {
+		metrics := httpsnoop.CaptureMetrics(fn, w, req)
 
 		h.logger.Info(
 			"HTTP request.",
-			"remote_addr", r.RemoteAddr,
-			"user_agent", r.UserAgent(),
-			"host", r.Host,
-			"path", fmt.Sprintf("%s %s", r.Method, r.RequestURI),
-			"duration", time.Since(startTime),
+			"remote_addr", req.RemoteAddr,
+			"user_agent", req.UserAgent(),
+			"host", req.Host,
+			"path", fmt.Sprintf("%s %s", req.Method, req.RequestURI),
+			"duration", metrics.Duration,
+			"req_size", req.ContentLength,
+			"resp_size", metrics.Written,
+			"http_code", metrics.Code,
 		)
 	}
 }