diff --git a/studio/backend/main.py b/studio/backend/main.py
index 65f5e7fe90..7b116cf8d7 100644
--- a/studio/backend/main.py
+++ b/studio/backend/main.py
@@ -176,12 +176,15 @@ async def health_check():
     platform_map = {"darwin": "mac", "win32": "windows", "linux": "linux"}
     device_type = platform_map.get(sys.platform, sys.platform)
 
+    is_docker = os.path.exists("/.dockerenv")
+
     return {
         "status": "healthy",
         "timestamp": datetime.now().isoformat(),
         "service": "Unsloth UI Backend",
         "device_type": device_type,
         "chat_only": _hw_module.CHAT_ONLY,
+        "is_docker": is_docker,
     }
 
 
diff --git a/studio/frontend/src/components/navbar.tsx b/studio/frontend/src/components/navbar.tsx
index 99909b80fa..4958ae2258 100644
--- a/studio/frontend/src/components/navbar.tsx
+++ b/studio/frontend/src/components/navbar.tsx
@@ -55,6 +55,7 @@ export function Navbar() {
   const [shutdownOpen, setShutdownOpen] = useState(false);
 
   const chatOnly = usePlatformStore((s) => s.isChatOnly());
+  const isDocker = usePlatformStore((s) => s.isDocker);
 
   // Warn before closing the tab only when training is running (data loss risk).
   // We store the handler in a ref so removeUnloadHandler() can clean it up
@@ -236,15 +237,17 @@ export function Navbar() {
             <span className="text-sm font-medium">Tour</span>
           </button>
 
-          <button
-            type="button"
-            onClick={() => setShutdownOpen(true)}
-            className="-mr-1.5 flex h-9 w-9 items-center justify-center rounded-md text-muted-foreground transition-colors hover:bg-accent hover:text-foreground"
-            title="Shut down Unsloth Studio server"
-            aria-label="Shut down Unsloth Studio server"
-          >
-            <HugeiconsIcon icon={Cancel01Icon} className="size-5" />
-          </button>
+          {!isDocker && (
+            <button
+              type="button"
+              onClick={() => setShutdownOpen(true)}
+              className="-mr-1.5 flex h-9 w-9 items-center justify-center rounded-md text-muted-foreground transition-colors hover:bg-accent hover:text-foreground"
+              title="Shut down Unsloth Studio server"
+              aria-label="Shut down Unsloth Studio server"
+            >
+              <HugeiconsIcon icon={Cancel01Icon} className="size-5" />
+            </button>
+          )}
         </div>
 
         {/* Right: mobile */}
@@ -331,17 +334,19 @@ export function Navbar() {
                     Start tour
                   </button>
                 ) : null}
-                <button
-                  type="button"
-                  className="flex items-center gap-2 rounded-md border border-border px-3 py-2 text-left text-sm font-medium text-foreground hover:bg-accent"
-                  onClick={() => {
-                    setMobileOpen(false);
-                    setShutdownOpen(true);
-                  }}
-                >
-                  <HugeiconsIcon icon={Cancel01Icon} className="size-5" />
-                  Quit Unsloth Studio
-                </button>
+                {!isDocker && (
+                  <button
+                    type="button"
+                    className="flex items-center gap-2 rounded-md border border-border px-3 py-2 text-left text-sm font-medium text-foreground hover:bg-accent"
+                    onClick={() => {
+                      setMobileOpen(false);
+                      setShutdownOpen(true);
+                    }}
+                  >
+                    <HugeiconsIcon icon={Cancel01Icon} className="size-5" />
+                    Quit Unsloth Studio
+                  </button>
+                )}
                 <div className="mt-2 flex items-center justify-between rounded-md border border-border px-3 py-2">
                   <span className="text-sm font-medium text-foreground">Theme</span>
                   <AnimatedThemeToggler
diff --git a/studio/frontend/src/config/env.ts b/studio/frontend/src/config/env.ts
index 91e17f6bb9..ae877b8da9 100644
--- a/studio/frontend/src/config/env.ts
+++ b/studio/frontend/src/config/env.ts
@@ -17,6 +17,7 @@ export type DeviceType = "mac" | "windows" | "linux" | string;
 interface PlatformState {
   deviceType: DeviceType;
   chatOnly: boolean;
+  isDocker: boolean;
   fetched: boolean;
   isChatOnly: () => boolean;
 }
@@ -24,6 +25,7 @@ interface PlatformState {
 export const usePlatformStore = create<PlatformState>()((_, get) => ({
   deviceType: "linux",
   chatOnly: false,
+  isDocker: false,
   fetched: false,
   isChatOnly: () => get().chatOnly,
 }));
@@ -35,10 +37,11 @@ export async function fetchDeviceType(): Promise<DeviceType> {
   try {
     const res = await fetch("/api/health");
     if (res.ok) {
-      const data = (await res.json()) as { device_type?: string; chat_only?: boolean };
+      const data = (await res.json()) as { device_type?: string; chat_only?: boolean; is_docker?: boolean };
       const deviceType = data.device_type ?? "linux";
       const chatOnly = data.chat_only ?? deviceType === "mac";
-      usePlatformStore.setState({ deviceType, chatOnly, fetched: true });
+      const isDocker = data.is_docker ?? false;
+      usePlatformStore.setState({ deviceType, chatOnly, isDocker, fetched: true });
       return deviceType;
     }
   } catch (err) {