remove arm64 support

.github/workflows/build.yml

@@ -7,9 +7,6 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        platform: [linux/amd64, linux/arm64]
     steps:
       - uses: actions/checkout@v4
         name: Checkout
@@ -28,44 +25,12 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
-      - name: Extract platform for tagging
-        id: platform
-        run: |
-          platform_clean=$(echo "${{ matrix.platform }}" | tr '/' '-')
-          echo "clean=${platform_clean}" >> $GITHUB_OUTPUT
-
       - uses: docker/build-push-action@v4
         with:
           context: .
           push: true
-          platforms: ${{ matrix.platform }}
-          tags: ${{ steps.meta.outputs.tags }}-${{ steps.platform.outputs.clean }}
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha,scope=${{ steps.platform.outputs.clean }}
-          cache-to: type=gha,mode=max,scope=${{ steps.platform.outputs.clean }}
-
-  create-manifest:
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
-      - uses: docker/login-action@v2
-        with:
-          registry: ghcr.io
-          username: mii443
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - uses: docker/metadata-action@v4
-        id: meta
-        with:
-          images: ghcr.io/mii443/ncb-tts-r2
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-      
-      - name: Create and push manifest
-        run: |
-          for tag in ${{ steps.meta.outputs.tags }}; do
-            docker manifest create $tag \
-              ${tag}-linux-amd64 \
-              ${tag}-linux-arm64
-            docker manifest push $tag
-          done
+          cache-from: type=gha
+          cache-to: type=gha,mode=max