fix CI

.github/workflows/buiild.yml

@@ -8,7 +8,6 @@ jobs:
   build-push-images:
     # pull requests are a duplicate of a branch push if within the same repo.
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
-    runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: write
@@ -17,8 +16,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        architecture: ["linux"]
+        include:
+          - architecture: linux
+            os: ubuntu-latest
+            platform: linux/amd64
 
+    runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -44,6 +47,7 @@ jobs:
         env:
           REGISTRY: ghcr.io
           ARCH: ${{ matrix.architecture }}
+          PLATFORM: ${{ matrix.platform }}
           REPOSITORY: ${{ github.repository }}
           TAG: ${{ github.ref_name }}
           PUSH: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags') }}