diff --git a/HaWeb/README.md b/HaWeb/README.md
index 0dd78d2..abff1f8 100644
--- a/HaWeb/README.md
+++ b/HaWeb/README.md
@@ -23,7 +23,7 @@ Note that nodejs is used only as a build tool for css (and possibly in the futur
 
 ## Development tools
 
-Run
+Set the `DOTNET_ENVIRONMENT` variable to `Development`. Run
 
 `dotnet watch run` and
 
@@ -47,6 +47,16 @@ For a Linux server run:
 
 `dotnet publish --runtime linux-x64 -c Release`
 
+In the appropriate settings (set the `DOTNET_ENVIRONMENT` variable on the server to `Staging` (development.hamann-ausgabe.de) or `Production` (hamann-ausgabe.de)) set the variables for
+
+- HamannFileStoreLinux
+- WorkingTreePathLinux
+- BareRepositoryPathLinux
+- RepositoryBranch
+- RepositoryURL
+
+Absolute paths, sadly, are reqired. Create Folders if neccessary. Reading rights are required for `HamannFileStoreLinux` (to save the state). The `BareRepositoryPath` usually is the `.git` Folder inside the Repo, where the Server gets the latest commit information from `refs/heads/<Branch-Name>`. To sync either you set up a git server and set the server as remote of the repository to push. Or use git webhooks to pull on pushes. 
+
 ## Redesign der Hamann-Vebseite, drittes Update
 Veränderungenen in der Funktionalität für den Benutzer
 - Behutsames Redesign der Webseite:
diff --git a/HaWeb/Views/Shared/_Javascript.cshtml b/HaWeb/Views/Shared/_Javascript.cshtml
index 97493a4..3d7425a 100644
--- a/HaWeb/Views/Shared/_Javascript.cshtml
+++ b/HaWeb/Views/Shared/_Javascript.cshtml
@@ -1,8 +1,5 @@
 
 @* Global Scripts  -- These are not inside .cshtml to not loose deferred execution posibility *@
-<feature name="Notifications">
-    <script defer src="/js/websocket.js" asp-append-version="true"></script>
-</feature>
 <script defer src="/js/marginals.js" asp-append-version="true"></script>
 <script defer src="/js/theme.js" asp-append-version="true"></script>
 <script defer src="/js/active.js" asp-append-version="true"></script>
diff --git a/HaWeb/Views/Shared/_Notifications.cshtml b/HaWeb/Views/Shared/_Notifications.cshtml
index 73cc403..fe89f6f 100644
--- a/HaWeb/Views/Shared/_Notifications.cshtml
+++ b/HaWeb/Views/Shared/_Notifications.cshtml
@@ -7,3 +7,4 @@
         </div>
     </div>
 </div>
+<script defer src="/js/websocket.js" asp-append-version="true"></script>
\ No newline at end of file
diff --git a/HaWeb/WebSockets/WebSocketMiddleware.cs b/HaWeb/WebSockets/WebSocketMiddleware.cs
index 85b164b..6858e52 100644
--- a/HaWeb/WebSockets/WebSocketMiddleware.cs
+++ b/HaWeb/WebSockets/WebSocketMiddleware.cs
@@ -5,6 +5,7 @@ using HaWeb;
 using HaWeb.FileHelpers;
 using HaWeb.Models;
 using HaWeb.XMLParser;
+using Microsoft.AspNetCore.Connections;
 using Microsoft.FeatureManagement;
 
 public class WebSocketMiddleware : IMiddleware {
@@ -70,16 +71,24 @@ public class WebSocketMiddleware : IMiddleware {
         WebSocketReceiveResult result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
         while (!result.CloseStatus.HasValue) {
             var msg = Encoding.UTF8.GetString(buffer,0,result.Count);
-            if (msg.ToLower() == "hello") {
-                var state = _xmlProvider.GetGitState();
-                await webSocket.SendAsync(_SerializeToBytes(state), WebSocketMessageType.Text, true, CancellationToken.None);
-                await webSocket.SendAsync(_SerializeToBytes(new FileState(_xmlService.GetState())), WebSocketMessageType.Text, true, CancellationToken.None);
-            } else if (msg.ToLower() == "ping" ) {
-                await webSocket.SendAsync(_SerializeToBytes(new { Ping = true}), WebSocketMessageType.Text, true, CancellationToken.None);
+            try {
+                if (msg.ToLower() == "hello") {
+                    var state = _xmlProvider.GetGitState();
+                    await webSocket.SendAsync(_SerializeToBytes(state), WebSocketMessageType.Text, true, CancellationToken.None);
+                    await webSocket.SendAsync(_SerializeToBytes(new FileState(_xmlService.GetState())), WebSocketMessageType.Text, true, CancellationToken.None);
+                } else if (msg.ToLower() == "ping" ) {
+                    await webSocket.SendAsync(_SerializeToBytes(new { Ping = true}), WebSocketMessageType.Text, true, CancellationToken.None);
+                }
+                result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
+            } catch (ConnectionAbortedException ex) {
+                _openSockets!.Remove(webSocket);
             }
-            result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
         }
-        await webSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
+        try {
+            await webSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
+        } catch (ConnectionAbortedException ex) {
+            _openSockets.Remove(webSocket);
+        }
         _openSockets!.Remove(webSocket);
     }
 
@@ -116,7 +125,11 @@ public class WebSocketMiddleware : IMiddleware {
     private async Task _SendToAll<T>(T msg) {
         if (_openSockets == null) return;
         foreach (var socket in _openSockets) {
-            await socket.SendAsync(_SerializeToBytes(msg), WebSocketMessageType.Text, true, CancellationToken.None);
+            try {
+                await socket.SendAsync(_SerializeToBytes(msg), WebSocketMessageType.Text, true, CancellationToken.None);
+            } catch (ConnectionAbortedException ex) {
+                _openSockets.Remove(socket);
+            }
         }
     }
 
diff --git a/HaWeb/wwwroot/js/websocket.js b/HaWeb/wwwroot/js/websocket.js
index 18e3122..34b6c69 100644
--- a/HaWeb/wwwroot/js/websocket.js
+++ b/HaWeb/wwwroot/js/websocket.js
@@ -28,7 +28,7 @@ socket.onopen = function (event) {
     socket.send("Hello");
     wsPingInterval = setInterval(() => {
         socket.send("Ping");
-    }, 4500);
+    }, 30000);
     updateMessage();
 };
 socket.onclose = function (event) {