Fix CI + enable auto build

.github/workflows/build-image.yml

@@ -1,6 +1,9 @@
 name: Build KabOS Image
 
 on:
+  push:
+    branches:
+      - main
   workflow_dispatch:
 
 jobs:
@@ -11,10 +14,15 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v3
 
-      - name: Build image
+      - name: Show files (debug)
+        run: |
+          echo "Listing repo contents:"
+          ls -la
+
+      - name: Build KabOS Image
         run: |
           echo "Building KabOS..."
-          docker build -t kabos .
+          docker build -t kabos -f Containerfile.nvidia .
 
       - name: Done
         run: echo "Build complete"