diff --git a/.env.example b/.env.example
deleted file mode 100644
index 1c11102..0000000
--- a/.env.example
+++ /dev/null
@@ -1,4 +0,0 @@
-PORT=4000
-NODE_ENV=production
-PORTAINER_URL=https://your-portainer.example.com
-PORTAINER_API_KEY=your_api_key_here
diff --git a/.gitignore b/.gitignore
index deed335..1ae8931 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 node_modules/
 dist/
-.env
+backend/.env
diff --git a/backend/.env.example b/backend/.env.example
new file mode 100644
index 0000000..89d93ec
--- /dev/null
+++ b/backend/.env.example
@@ -0,0 +1,4 @@
+PORTAINER_URL=your_portainer_url_here
+PORTAINER_API_KEY=your_api_key_here
+PORTAINER_ENDPOINT_ID=Enpoint_ID_from_Portainer
+
diff --git a/backend/index.js.bak b/backend/index.js.bak
deleted file mode 100644
index ee67420..0000000
--- a/backend/index.js.bak
+++ /dev/null
@@ -1,154 +0,0 @@
-import express from 'express';
-import dotenv from 'dotenv';
-import https from 'https';
-import axios from 'axios';
-import http from 'http';
-import { Server } from 'socket.io';
-import path from 'path';
-import { fileURLToPath } from 'url';
-
-dotenv.config();
-
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-
-const app = express();
-app.use(express.json());
-
-// Statische Dateien
-app.use(express.static(path.join(__dirname, 'public')));
-
-// SPA-Fallback
-app.get('*', (req, res, next) => {
-  if (req.path.startsWith('/api')) return next();
-  res.sendFile(path.join(__dirname, 'public', 'index.html'));
-});
-
-const PORT = 4001;
-const ENDPOINT_ID = Number(process.env.PORTAINER_ENDPOINT_ID);
-
-// HTTPS Agent
-const agent = new https.Agent({ rejectUnauthorized: false });
-
-// Axios für Portainer
-const axiosInstance = axios.create({
-  httpsAgent: agent,
-  headers: { "X-API-Key": process.env.PORTAINER_API_KEY },
-  baseURL: process.env.PORTAINER_URL,
-});
-
-const redeployingStacks = {};
-
-// HTTP Server + Socket.IO
-const server = http.createServer(app);
-const io = new Server(server, { cors: { origin: "*" } });
-
-io.on("connection", (socket) => {
-  console.log(`🔌 [Socket] Client verbunden: ${socket.id}`);
-});
-
-const broadcastRedeployStatus = (stackId, status) => {
-  redeployingStacks[stackId] = status;
-  io.emit("redeployStatus", { stackId, status });
-  console.log(`🔄 [RedeployStatus] Stack ${stackId} ist jetzt ${status ? "im Redeploy" : "fertig"}`);
-};
-
-// --- API Endpoints ---
-
-// Stacks abrufen
-app.get('/api/stacks', async (req, res) => {
-  console.log("ℹ️ [API] GET /api/stacks: Abruf gestartet");
-  try {
-    const stacksRes = await axiosInstance.get('/api/stacks');
-    const filteredStacks = stacksRes.data.filter(stack => stack.EndpointId === ENDPOINT_ID);
-
-    const uniqueStacksMap = {};
-    filteredStacks.forEach(stack => {
-      if (!uniqueStacksMap[stack.Name]) uniqueStacksMap[stack.Name] = stack;
-    });
-    const uniqueStacks = Object.values(uniqueStacksMap);
-
-    const stacksWithStatus = await Promise.all(
-      uniqueStacks.map(async (stack) => {
-        try {
-          const statusRes = await axiosInstance.get(
-            `/api/stacks/${stack.Id}/images_status?refresh=true`
-          );
-          const statusEmoji = statusRes.data.Status === 'outdated' ? '⚠️' : '✅';
-          return { 
-            ...stack, 
-            updateStatus: statusEmoji, 
-            redeploying: redeployingStacks[stack.Id] || false
-          };
-        } catch (err) {
-          console.error(`❌ [API] Fehler beim Abrufen Status Stack ${stack.Id}:`, err.message);
-          return { ...stack, updateStatus: '❌', redeploying: redeployingStacks[stack.Id] || false };
-        }
-      })
-    );
-
-    stacksWithStatus.sort((a, b) => a.Name.localeCompare(b.Name));
-    console.log(`✅ [API] GET /api/stacks: Abruf erfolgreich, ${stacksWithStatus.length} Stacks geladen`);
-    res.json(stacksWithStatus);
-  } catch (err) {
-    console.error(`❌ [API] Fehler beim Abrufen der Stacks:`, err.message);
-    res.status(500).json({ error: err.message });
-  }
-});
-
-// Stack redeployen
-app.put('/api/stacks/:id/redeploy', async (req, res) => {
-  const { id } = req.params;
-  console.log(`🔄 [API] PUT /api/stacks/${id}/redeploy: Redeploy gestartet`);
-
-  try {
-    broadcastRedeployStatus(id, true);
-
-    const stackRes = await axiosInstance.get(`/api/stacks/${id}`);
-    const stack = stackRes.data;
-
-    if (stack.EndpointId !== ENDPOINT_ID) throw new Error(`Stack gehört nicht zum Endpoint ${ENDPOINT_ID}`);
-
-    if (stack.Type === 1) {
-      console.log(`🔄 [Redeploy] Git Stack "${stack.Name}" (${id}) wird redeployed`);
-      await axiosInstance.put(`/api/stacks/${id}/git/redeploy?endpointId=${stack.EndpointId}`);
-    } else if (stack.Type === 2) {
-      console.log(`🔄 [Redeploy] Compose Stack "${stack.Name}" (${id}) wird redeployed`);
-      const fileRes = await axiosInstance.get(`/api/stacks/${id}/file`);
-      const stackFileContent = fileRes.data?.StackFileContent;
-      if (!stackFileContent) throw new Error("Stack file konnte nicht geladen werden");
-
-      const services = fileRes.data?.Config?.services || {};
-      for (const serviceName in services) {
-        const imageName = services[serviceName].image;
-        if (!imageName) continue;
-        try {
-          console.log(`🖼️ [Redeploy] Pulling image "${imageName}" für Service "${serviceName}"`);
-          await axiosInstance.post(
-            `/api/endpoints/${stack.EndpointId}/docker/images/create?fromImage=${encodeURIComponent(imageName)}`
-          );
-        } catch (err) {
-          console.error(`❌ [Redeploy] Fehler beim Pulling von Image "${imageName}":`, err.message);
-        }
-      }
-
-      await axiosInstance.put(`/api/stacks/${id}`,
-        { StackFileContent: stackFileContent, Prune: false, PullImage: true },
-        { params: { endpointId: stack.EndpointId } }
-      );
-    }
-
-    broadcastRedeployStatus(id, false);
-    console.log(`✅ [API] PUT /api/stacks/${id}/redeploy: Redeploy erfolgreich abgeschlossen`);
-    res.json({ success: true, message: 'Stack redeployed' });
-  } catch (err) {
-    broadcastRedeployStatus(id, false);
-    console.error(`❌ [API] Fehler beim Redeploy von Stack ${id}:`, err.message);
-    res.status(500).json({ error: err.message });
-  }
-});
-
-// Server starten
-server.listen(PORT, '0.0.0.0', () => {
-  console.log(`🚀 [Server] Backend läuft auf Port ${PORT}`);
-});