trim platform

Author: previ

.github/workflows/build_backend.yml

@@ -39,16 +39,17 @@ jobs:
   release-backend:
     needs: [test]
     runs-on: ubuntu-latest
-    timeout-minutes: 1440
     strategy:
       matrix:
         architecture: 
           - arch: linux/arm/v7
             dockerfile: Dockerfile
             tag: armv7
+            platform: arm
           - arch: linux/arm64
             dockerfile: Dockerfile.arm64
             tag: arm64
+            platform: arm64
     steps:
     - name: Docker meta
       id: meta
@@ -70,7 +71,9 @@ jobs:
           type=sha,enable=true,prefix=git-,format=short,suffix=-${{ matrix.architecture.tag }}
     - uses: actions/checkout@v3 # Checking out the repo
     - name: Set up QEMU
-      uses: docker/setup-qemu-action@v2
+      uses: docker/setup-qemu-action@v3
+      with:
+        platforms: ${{ matrix.architecture.platform }}
     - name: Set up Docker Buildx
       id: buildx
       uses: docker/setup-buildx-action@v2