Shutdown gracefully when recieving a termination signal

Jellyfin.Server/Program.cs

@@ -6,6 +6,7 @@ using System.Net;
 using System.Net.Security;
 using System.Reflection;
 using System.Runtime.InteropServices;
+using System.Runtime.Loader;
 using System.Threading.Tasks;
 using Emby.Drawing;
 using Emby.Drawing.Skia;
@@ -55,6 +56,13 @@ namespace Jellyfin.Server
             AppDomain.CurrentDomain.UnhandledException += (sender, e)
                 => _logger.LogCritical((Exception)e.ExceptionObject, "Unhandled Exception");
 
+            // Register a SIGTERM handler
+            AppDomain.CurrentDomain.ProcessExit += (sender, e) =>
+            {
+                _logger.LogInformation("Received a SIGTERM signal, shutting down");
+                Shutdown();
+            };
+
             _logger.LogInformation("Jellyfin version: {Version}", version);
 
             EnvironmentInfo environmentInfo = new EnvironmentInfo(getOperatingSystem());