chore: rollback multiarch builds

Author: jus1d

.github/workflows/deploy.yaml

@@ -13,22 +13,17 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GHCR_TOKEN }}
 
-      - name: Build and push multiarch image
-        env:
-          SHORT_SHA: ${{ github.sha }}
+      - name: Build and push image
         run: |
-          SHORT_SHA=${SHORT_SHA::7}
-          docker buildx build \
-            --platform linux/amd64,linux/arm64/v8 --push \
-            -t ghcr.io/voidcontests/runner:$SHORT_SHA \
-            -t ghcr.io/voidcontests/runner:latest .
+          SHORT_SHA=${GITHUB_SHA::7}
+          docker build -t ghcr.io/voidcontests/runner:$SHORT_SHA \
+                       -t ghcr.io/voidcontests/runner:latest .
+          docker push ghcr.io/voidcontests/runner:$SHORT_SHA
+          docker push ghcr.io/voidcontests/runner:latest