diff --git a/bahnplan.web/Program.cs b/bahnplan.web/Program.cs
index 9bae3bb..c1ae6c0 100644
--- a/bahnplan.web/Program.cs
+++ b/bahnplan.web/Program.cs
@@ -1,4 +1,5 @@
 using System.IO;
+using System.Threading;
 using bahnplan.web.database;
 using LinqToDB.Common;
 using LinqToDB.Data;
@@ -11,6 +12,7 @@ namespace bahnplan.web {
 			DataConnection.DefaultSettings        = new Database.Settings();
 			Configuration.Linq.AllowMultipleQuery = true;
 			Directory.CreateDirectory(Variables.TicketDir);
+			ThreadPool.SetMinThreads(100,100);
 			CreateHostBuilder(args).Build().Run();
 		}
 
diff --git a/bahnplan.web/Startup.cs b/bahnplan.web/Startup.cs
index 980378e..ac6d59b 100644
--- a/bahnplan.web/Startup.cs
+++ b/bahnplan.web/Startup.cs
@@ -21,8 +21,18 @@ namespace bahnplan.web {
 			});
 			#if (DEBUG)
 			services.AddControllers().AddRazorRuntimeCompilation();
+			services.AddControllers();
+			services.AddStackExchangeRedisCache(options => {
+				options.Configuration = "localhost";
+				options.InstanceName  = "bahnplan_development";
+			});
 			#else
 			services.AddControllers();
+			services.AddStackExchangeRedisCache(options =>
+			{
+				options.Configuration = "localhost";
+				options.InstanceName = "bahnplan_production";
+			});
 			#endif
 		}
 
diff --git a/bahnplan.web/bahnplan.web.csproj b/bahnplan.web/bahnplan.web.csproj
index 782cd17..e74f4c7 100644
--- a/bahnplan.web/bahnplan.web.csproj
+++ b/bahnplan.web/bahnplan.web.csproj
@@ -73,6 +73,7 @@
       <PackageReference Include="linq2db" Version="2.9.8" />
       <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="3.1.4" />
       <PackageReference Include="Microsoft.Data.Sqlite" Version="3.1.4" />
+      <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="5.0.1" />
       <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
       <PackageReference Include="System.Reflection.TypeExtensions" Version="4.7.0" />
     </ItemGroup>