diff --git a/backend/index.js b/backend/index.js
index c22e158..ac1612b 100644
--- a/backend/index.js
+++ b/backend/index.js
@@ -39,6 +39,12 @@ const axiosInstance = axios.create({
   baseURL: process.env.PORTAINER_URL,
 });
 
+const REDEPLOY_STATUS = {
+  IDLE: 'idle',
+  QUEUED: 'queued',
+  RUNNING: 'running'
+};
+
 const redeployingStacks = {};
 
 const server = http.createServer(app);
@@ -51,9 +57,22 @@ io.on("connection", (socket) => {
 });
 
 const broadcastRedeployStatus = (stackId, status) => {
-  redeployingStacks[stackId] = status;
-  io.emit("redeployStatus", { stackId, status });
-  console.log(`🔄 [RedeployStatus] Stack ${stackId} ist jetzt ${status ? "im Redeploy" : "fertig"}`);
+  if (!status || status === REDEPLOY_STATUS.IDLE) {
+    delete redeployingStacks[stackId];
+  } else {
+    redeployingStacks[stackId] = status;
+  }
+
+  const payloadStatus = status || REDEPLOY_STATUS.IDLE;
+  io.emit("redeployStatus", { stackId, status: payloadStatus });
+
+  let statusText = 'fertig';
+  if (payloadStatus === REDEPLOY_STATUS.RUNNING) {
+    statusText = 'im Redeploy';
+  } else if (payloadStatus === REDEPLOY_STATUS.QUEUED) {
+    statusText = 'in der Warteschlange';
+  }
+  console.log(`🔄 [RedeployStatus] Stack ${stackId} ist jetzt ${statusText}`);
 };
 
 const REDEPLOY_TYPES = {
@@ -127,29 +146,36 @@ app.get('/api/stacks', async (req, res) => {
 
     const stacksWithStatus = await Promise.all(
       uniqueStacks.map(async (stack) => {
+        const redeployState = redeployingStacks[stack.Id] || REDEPLOY_STATUS.IDLE;
+        const redeployCommon = {
+          redeployState,
+          redeploying: redeployState === REDEPLOY_STATUS.RUNNING,
+          redeployQueued: redeployState === REDEPLOY_STATUS.QUEUED,
+          redeployDisabled: SELF_STACK_ID ? String(stack.Id) === SELF_STACK_ID : false
+        };
+
         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           const statusEmoji = statusRes.data.Status === 'outdated' ?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,
-            redeployDisabled: SELF_STACK_ID ? String(stack.Id) === SELF_STACK_ID : false
+          return {
+            ...stack,
+            updateStatus: statusEmoji,
+            ...redeployCommon
           };
         } catch (err) {
           console.error(`❌ Fehler beim Abrufen des Status für Stack ${stack.Id}:`, err.message);
           return {
             ...stack,
             updateStatus: '❌',
-            redeploying: redeployingStacks[stack.Id] || false,
-            redeployDisabled: SELF_STACK_ID ? String(stack.Id) === SELF_STACK_ID : false
+            ...redeployCommon
           };
         }
       })
     );
 
+
     stacksWithStatus.sort((a, b) => a.Name.localeCompare(b.Name));
     console.log(`✅ GET /api/stacks: Abruf erfolgreich, ${stacksWithStatus.length} Stacks geladen`);
     res.json(stacksWithStatus);
@@ -271,7 +297,7 @@ app.put('/api/stacks/:id/redeploy', async (req, res) => {
 
   let stack;
   try {
-    broadcastRedeployStatus(id, true);
+    broadcastRedeployStatus(id, REDEPLOY_STATUS.RUNNING);
 
     const stackRes = await axiosInstance.get(`/api/stacks/${id}`);
     stack = stackRes.data;
@@ -318,7 +344,7 @@ app.put('/api/stacks/:id/redeploy', async (req, res) => {
       );
     }
 
-    broadcastRedeployStatus(id, false);
+    broadcastRedeployStatus(id, REDEPLOY_STATUS.IDLE);
     logRedeployEvent({
       stackId: stack.Id || id,
       stackName: stack.Name,
@@ -330,7 +356,7 @@ app.put('/api/stacks/:id/redeploy', async (req, res) => {
     console.log(`✅ PUT /api/stacks/${id}/redeploy: Redeploy erfolgreich abgeschlossen`);
     res.json({ success: true, message: 'Stack redeployed' });
   } catch (err) {
-    broadcastRedeployStatus(id, false);
+    broadcastRedeployStatus(id, REDEPLOY_STATUS.IDLE);
     const errorMessage = err.response?.data?.message || err.message;
     logRedeployEvent({
       stackId: stack?.Id || id,
@@ -387,9 +413,13 @@ app.put('/api/stacks/redeploy-all', async (req, res) => {
       return res.json({ success: true, message: 'Keine veralteten Stacks für Redeploy ALL' });
     }
 
+    eligibleStacks.forEach((stack) => {
+      broadcastRedeployStatus(stack.Id, REDEPLOY_STATUS.QUEUED);
+    });
+
     for (const stack of eligibleStacks) {
       try {
-        broadcastRedeployStatus(stack.Id, true);
+        broadcastRedeployStatus(stack.Id, REDEPLOY_STATUS.RUNNING);
         logRedeployEvent({
           stackId: stack.Id,
           stackName: stack.Name,
@@ -414,7 +444,7 @@ app.put('/api/stacks/redeploy-all', async (req, res) => {
           }
         }
 
-        broadcastRedeployStatus(stack.Id, false);
+        broadcastRedeployStatus(stack.Id, REDEPLOY_STATUS.IDLE);
         logRedeployEvent({
           stackId: stack.Id,
           stackName: stack.Name,
@@ -425,7 +455,7 @@ app.put('/api/stacks/redeploy-all', async (req, res) => {
         });
         console.log(`✅ Redeploy abgeschlossen: ${stack.Name}`);
       } catch (err) {
-        broadcastRedeployStatus(stack.Id, false);
+        broadcastRedeployStatus(stack.Id, REDEPLOY_STATUS.IDLE);
         const errorMessage = err.response?.data?.message || err.message;
         logRedeployEvent({
           stackId: stack.Id,
@@ -509,9 +539,13 @@ app.put('/api/stacks/redeploy-selection', async (req, res) => {
       return res.json({ success: true, message: 'Keine veralteten Stacks in der Auswahl' });
     }
 
+    eligibleStacks.forEach((stack) => {
+      broadcastRedeployStatus(stack.Id, REDEPLOY_STATUS.QUEUED);
+    });
+
     for (const stack of eligibleStacks) {
       try {
-        broadcastRedeployStatus(stack.Id, true);
+        broadcastRedeployStatus(stack.Id, REDEPLOY_STATUS.RUNNING);
         logRedeployEvent({
           stackId: stack.Id,
           stackName: stack.Name,
@@ -536,7 +570,7 @@ app.put('/api/stacks/redeploy-selection', async (req, res) => {
           }
         }
 
-        broadcastRedeployStatus(stack.Id, false);
+        broadcastRedeployStatus(stack.Id, REDEPLOY_STATUS.IDLE);
         logRedeployEvent({
           stackId: stack.Id,
           stackName: stack.Name,
@@ -547,7 +581,7 @@ app.put('/api/stacks/redeploy-selection', async (req, res) => {
         });
         console.log(`✅ Redeploy Auswahl abgeschlossen: ${stack.Name}`);
       } catch (err) {
-        broadcastRedeployStatus(stack.Id, false);
+        broadcastRedeployStatus(stack.Id, REDEPLOY_STATUS.IDLE);
         const errorMessage = err.response?.data?.message || err.message;
         logRedeployEvent({
           stackId: stack.Id,
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index 5b757af..c099a88 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -17,7 +17,7 @@ export default function App() {
         <div className="max-w-6xl mx-auto px-6 py-6">
           <div className="flex flex-col gap-4 sm:flex-row sm:items-end sm:justify-between">
             <div className="flex flex-col items-end gap-1">
-              <span className="text-xs text-gray-500">v0.2</span>
+              <span className="text-xs text-gray-500">v0.2.1</span>
               <img src={logo} alt="StackPulse" className="h-10 w-auto" />
             </div>
             <nav className="flex gap-2 items-end">
diff --git a/frontend/src/Stacks.jsx b/frontend/src/Stacks.jsx
index ff7f9f6..742edea 100644
--- a/frontend/src/Stacks.jsx
+++ b/frontend/src/Stacks.jsx
@@ -2,6 +2,12 @@ import React, { useEffect, useState } from "react";
 import axios from "axios";
 import { io } from "socket.io-client";
 
+const REDEPLOY_STATE = {
+  IDLE: "idle",
+  QUEUED: "queued",
+  RUNNING: "running"
+};
+
 export default function Stacks() {
   const [stacks, setStacks] = useState([]);
   const [loading, setLoading] = useState(true);
@@ -14,11 +20,16 @@ export default function Stacks() {
 
     return sortedIncoming.map((stack) => {
       const previous = prevMap.get(stack.Id);
+      const redeployState = stack.redeployState
+        ?? previous?.redeployState
+        ?? (previous?.redeploying ? REDEPLOY_STATE.RUNNING : REDEPLOY_STATE.IDLE);
+
       return {
         ...stack,
-        redeploying: previous?.redeploying || stack.redeploying || false,
-        redeployDisabled: stack.redeployDisabled ?? previous?.redeployDisabled ?? false,
-        duplicateName: stack.duplicateName ?? previous?.duplicateName ?? false
+        redeployState,
+        redeploying: redeployState === REDEPLOY_STATE.RUNNING,
+        redeployQueued: redeployState === REDEPLOY_STATE.QUEUED,
+        redeployDisabled: stack.redeployDisabled ?? previous?.redeployDisabled ?? false
       };
     });
   };
@@ -31,21 +42,26 @@ export default function Stacks() {
     console.log("🔌 Socket connected");
 
     socket.on("redeployStatus", async ({ stackId, status }) => {
-      console.log(`🔄 Stack ${stackId} Redeploy Status: ${status ? "running" : "finished"}`);
+      const nextState = status || REDEPLOY_STATE.IDLE;
+      console.log(`🔄 Stack ${stackId} Redeploy Status: ${nextState}`);
 
       setStacks(prev =>
         prev.map(stack => {
           if (stack.Id !== stackId) return stack;
-          return {
+          const updated = {
             ...stack,
-            redeploying: status,
-            updateStatus: status ? stack.updateStatus : '✅'
+            redeployState: nextState,
+            redeploying: nextState === REDEPLOY_STATE.RUNNING,
+            redeployQueued: nextState === REDEPLOY_STATE.QUEUED
           };
+          if (nextState === REDEPLOY_STATE.IDLE) {
+            updated.updateStatus = "✅";
+          }
+          return updated;
         })
       );
 
-      if (!status) {
-        // Status nach Redeploy neu vom Server holen
+      if (nextState === REDEPLOY_STATE.IDLE) {
         try {
           const res = await axios.get("/api/stacks");
           setStacks(prev => mergeStackState(prev, res.data));
@@ -79,7 +95,10 @@ export default function Stacks() {
     setSelectedStackIds(prev => {
       const filtered = prev.filter(id => {
         const match = stacks.find(stack => stack.Id === id);
-        return match && match.updateStatus !== '✅' && !match.redeployDisabled;
+        return match
+          && match.updateStatus !== "✅"
+          && !match.redeployDisabled
+          && (match.redeployState ?? REDEPLOY_STATE.IDLE) === REDEPLOY_STATE.IDLE;
       });
       return filtered.length === prev.length ? prev : filtered;
     });
@@ -95,10 +114,20 @@ export default function Stacks() {
   };
 
   const handleRedeploy = async (stackId) => {
+    const targetStack = stacks.find((stack) => stack.Id === stackId);
+    if (!targetStack || targetStack.redeployDisabled || targetStack.redeployState !== REDEPLOY_STATE.IDLE) return;
+
     setSelectedStackIds((prev) => prev.filter((id) => id !== stackId));
     setStacks((prev) =>
       prev.map((stack) =>
-        stack.Id === stackId ? { ...stack, redeploying: true } : stack
+        stack.Id === stackId
+          ? {
+              ...stack,
+              redeployState: REDEPLOY_STATE.RUNNING,
+              redeploying: true,
+              redeployQueued: false
+            }
+          : stack
       )
     );
 
@@ -109,14 +138,25 @@ export default function Stacks() {
       console.error("❌ Fehler beim Redeploy:", err);
       setStacks((prev) =>
         prev.map((stack) =>
-          stack.Id === stackId ? { ...stack, redeploying: false } : stack
+          stack.Id === stackId
+            ? {
+                ...stack,
+                redeployState: REDEPLOY_STATE.IDLE,
+                redeploying: false,
+                redeployQueued: false
+              }
+            : stack
         )
       );
     }
   };
 
   const handleRedeployAll = async () => {
-    const outdatedStacks = stacks.filter((stack) => stack.updateStatus !== '✅' && !stack.redeployDisabled);
+    const outdatedStacks = stacks.filter((stack) =>
+      stack.updateStatus !== "✅"
+      && !stack.redeployDisabled
+      && (stack.redeployState ?? REDEPLOY_STATE.IDLE) === REDEPLOY_STATE.IDLE
+    );
     if (!outdatedStacks.length) return;
 
     const outdatedIds = new Set(outdatedStacks.map((stack) => stack.Id));
@@ -124,7 +164,12 @@ export default function Stacks() {
     setStacks(prev =>
       prev.map(stack =>
         outdatedIds.has(stack.Id)
-          ? { ...stack, redeploying: true }
+          ? {
+              ...stack,
+              redeployState: REDEPLOY_STATE.QUEUED,
+              redeploying: false,
+              redeployQueued: true
+            }
           : stack
       )
     );
@@ -138,7 +183,12 @@ export default function Stacks() {
       setStacks(prev =>
         prev.map(stack =>
           outdatedIds.has(stack.Id)
-            ? { ...stack, redeploying: false }
+            ? {
+                ...stack,
+                redeployState: REDEPLOY_STATE.IDLE,
+                redeploying: false,
+                redeployQueued: false
+              }
             : stack
         )
       );
@@ -150,7 +200,10 @@ export default function Stacks() {
 
     const eligibleIds = selectedStackIds.filter((id) => {
       const stack = stacks.find((entry) => entry.Id === id);
-      return stack && stack.updateStatus !== '✅' && !stack.redeployDisabled;
+      return stack
+        && stack.updateStatus !== "✅"
+        && !stack.redeployDisabled
+        && (stack.redeployState ?? REDEPLOY_STATE.IDLE) === REDEPLOY_STATE.IDLE;
     });
 
     if (!eligibleIds.length) {
@@ -163,7 +216,12 @@ export default function Stacks() {
     setStacks(prev =>
       prev.map(stack =>
         eligibleSet.has(stack.Id)
-          ? { ...stack, redeploying: true }
+          ? {
+              ...stack,
+              redeployState: REDEPLOY_STATE.QUEUED,
+              redeploying: false,
+              redeployQueued: true
+            }
           : stack
       )
     );
@@ -177,7 +235,12 @@ export default function Stacks() {
       setStacks(prev =>
         prev.map(stack =>
           eligibleSet.has(stack.Id)
-            ? { ...stack, redeploying: false }
+            ? {
+                ...stack,
+                redeployState: REDEPLOY_STATE.IDLE,
+                redeploying: false,
+                redeployQueued: false
+              }
             : stack
         )
       );
@@ -185,17 +248,24 @@ export default function Stacks() {
   };
 
   const hasSelection = selectedStackIds.length > 0;
-  const hasOutdatedStacks = stacks.some((stack) => stack.updateStatus !== '✅' && !stack.redeployDisabled);
+  const hasRedeployableStacks = stacks.some((stack) =>
+    stack.updateStatus !== "✅"
+    && !stack.redeployDisabled
+    && (stack.redeployState ?? REDEPLOY_STATE.IDLE) === REDEPLOY_STATE.IDLE
+  );
   const bulkButtonLabel = hasSelection
     ? `Redeploy Auswahl (${selectedStackIds.length})`
-    : 'Redeploy All';
+    : "Redeploy All";
 
   const bulkActionDisabled = hasSelection
     ? selectedStackIds.length === 0 || selectedStackIds.every(id => {
         const targetStack = stacks.find(stack => stack.Id === id);
-        return !targetStack || targetStack.redeploying || targetStack.updateStatus === '✅' || targetStack.redeployDisabled;
+        return !targetStack
+          || targetStack.updateStatus === "✅"
+          || targetStack.redeployDisabled
+          || (targetStack.redeployState ?? REDEPLOY_STATE.IDLE) !== REDEPLOY_STATE.IDLE;
       })
-    : !hasOutdatedStacks || stacks.every(stack => stack.updateStatus !== '✅' || stack.redeploying || stack.redeployDisabled);
+    : !hasRedeployableStacks;
 
   const handleBulkRedeploy = () => {
     if (hasSelection) {
@@ -222,19 +292,22 @@ export default function Stacks() {
 
       <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
         {stacks.map(stack => {
-          const isRedeploying = stack.redeploying;
+          const redeployState = stack.redeployState ?? REDEPLOY_STATE.IDLE;
+          const isRunning = redeployState === REDEPLOY_STATE.RUNNING;
+          const isQueued = redeployState === REDEPLOY_STATE.QUEUED;
+          const isBusy = isRunning || isQueued;
           const isSelected = selectedStackIds.includes(stack.Id);
-          const isCurrent = stack.updateStatus === '✅';
+          const isCurrent = stack.updateStatus === "✅";
           const isSelfStack = Boolean(stack.redeployDisabled);
-          const isSelectable = !isRedeploying && !isCurrent && !isSelfStack;
+          const isSelectable = !isBusy && !isCurrent && !isSelfStack;
 
           return (
             <div
               key={stack.Id}
               className={`flex justify-between items-center p-5 rounded-xl shadow-lg transition border
                 ${isSelected ? 'border-purple-500 ring-1 ring-purple-500/40' : 'border-transparent'}
-                ${isRedeploying ? 'bg-gray-700 cursor-wait' : 'bg-gray-800 hover:bg-gray-700'}
-                ${!isSelectable && !isRedeploying ? 'opacity-75' : ''}`}
+                ${isBusy ? 'bg-gray-700 cursor-wait' : 'bg-gray-800 hover:bg-gray-700'}
+                ${!isSelectable && !isBusy ? 'opacity-75' : ''}`}
             >
               <div className="flex items-center space-x-4">
                 <input
@@ -245,8 +318,8 @@ export default function Stacks() {
                   disabled={!isSelectable}
                 />
                 <div className={`w-12 h-12 flex items-center justify-center rounded-full
-                  ${stack.updateStatus === '✅' ? 'bg-green-500' :
-                    stack.updateStatus === '⚠️' ? 'bg-yellow-500' :
+                  ${stack.updateStatus === "✅" ? 'bg-green-500' :
+                    stack.updateStatus === "⚠️" ? 'bg-yellow-500' :
                     'bg-red-500'}`}
                 />
                 <div>
@@ -259,11 +332,16 @@ export default function Stacks() {
               </div>
 
               <div className="flex flex-col items-end gap-1 text-sm">
-                {isRedeploying ? (
+                {isRunning ? (
                   <>
                     <span className="text-xs uppercase tracking-wide text-orange-300">Redeploy</span>
                     <span className="text-orange-200">läuft…</span>
                   </>
+                ) : isQueued ? (
+                  <>
+                    <span className="text-xs uppercase tracking-wide text-orange-300">Redeploy</span>
+                    <span className="text-orange-200">in Warteliste…</span>
+                  </>
                 ) : isSelfStack ? (
                   <>
                     <span className="text-xs uppercase tracking-wide text-gray-400">System</span>
@@ -278,7 +356,7 @@ export default function Stacks() {
                   <>
                     <button
                       onClick={() => handleRedeploy(stack.Id)}
-                      disabled={isRedeploying}
+                      disabled={isBusy}
                       className="px-5 py-2 rounded-lg font-medium transition bg-blue-500 hover:bg-blue-600"
                     >
                       Redeploy