diff --git a/.github/workflows/build-dev-container.yaml b/.github/workflows/build-dev-container.yaml
index b726366..90cc0b2 100644
--- a/.github/workflows/build-dev-container.yaml
+++ b/.github/workflows/build-dev-container.yaml
@@ -20,9 +20,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     needs: [directories] 
-    strategy:
-      matrix:
-        dir: ${{fromJson(needs.directories.outputs.dir)}} 
+    # strategy:
+    #   matrix:
+    #     dir: ${{fromJson(needs.directories.outputs.dir)}} 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -43,8 +43,9 @@ jobs:
       - name: Build and run Dev Container task
         uses: devcontainers/ci@v0.3
         with:
-          subFolder: ${{ matrix.dir }}
-          imageName: ghcr.io/pnstack/codespace/${{ matrix.dir }}container
+          subFolder: ./templates/ubuntu
+          # imageName: ghcr.io/pnstack/codespace/${{ matrix.dir }}container
+          imageName: ghcr.io/pnstack/codespace/ubuntu
           # imageTag: ${{ matrix.dir }}
           platform: linux/amd64,linux/arm64
           push: always
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