Updated Companies and Individuals Using Beast (markdown)

Companies-and-Individuals-Using-Beast.md

@@ -148,3 +148,36 @@ Repository: [BoostWeb](https://github.com/yanrk/boost_web) is a simple library w
 ----------
 
 [Sunstone RTLS](https://sunstone-rtls.com) uses Boost.Beast for handling server-side HTTP and WebSocket requests through its [REST API](https://sunstone-rtls.com/api).
+
+----------
+
+[Vitrix Software] (https://www.vitrix.cz/)
+We've created a library that simplifies HTTP server creation with support of websockets, authentication and authorization.
+[Repository link](https://bitbucket.org/palmapp/vitrix.libs/src/master/spiderlib/src/)
+
+`class print_file_upload_processor : public spider::file_upload_processor
+{
+ public:
+   int handle_uploaded_files(spider::request &request, const std::vector<spider::part> &parts) final
+   {
+      for (auto &part : parts)
+         LOG(INFO) << "uploaded part " << part.content_disposition.name << " "
+                   << part.temp_file_path;
+
+      return 200;
+   }
+};
+
+int main(int argc, const char *argv[])
+{
+   using namespace spider;
+   print_file_upload_processor fup{};
+   auto thread_pool_ptr = std::make_shared<thread_pool>(16);
+
+   auto app_handle = run_spider_app("uploads", {argc, argv}, [&](init_context &ctx, app &my_app) {
+      on_url<file_upload_handler>(my_app, "/", ctx.io_context, fup, "uploads", thread_pool_ptr);
+   });
+
+   app_handle->wait();
+}
+`