using x-realip

main.go

@@ -47,9 +47,12 @@ func handleRoot(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	host, _, err := net.SplitHostPort(r.RemoteAddr)
+	host := r.Header.Get("X-Real-IP")
-	if err != nil {
+	if host == "" {
-		host = r.RemoteAddr
+		host = r.Header.Get("X-Forwarded-For")
+	}
+	if host == "" {
+		host, _, _ = net.SplitHostPort(r.RemoteAddr)
 	}
 
 	dox, err := callApi(host)