update.

Server/main.cpp

@@ -0,0 +1,19 @@
+#include "Application.h"
+#include "Core/Logger.h"
+#include "Core/Singleton.h"
+#include <boost/asio/signal_set.hpp>
+
+int main(int argc, char const *argv[]) {
+    using namespace Core;
+    using namespace Older;
+    boost::log::initialize("logs/Older");
+    auto application = Singleton<Application>::construct();
+
+    boost::asio::signal_set signals(application->ioContext(), SIGINT, SIGTERM, SIGHUP);
+    signals.async_wait([&application](boost::system::error_code const &, int signal) {
+        LOG(info) << "capture " << (signal == SIGINT ? "SIGINT" : "SIGTERM") << ",stop!";
+        application->exit(5);
+    });
+
+    return application->exec();
+}