Merge pull request 'Build native architecture only on pull requests' (#3) from perf/ci-speed-20260914 into main

.gitea/workflows/build-and-push.yml

@@ -38,7 +38,7 @@ jobs:
           cd .
           bash scripts/ci-select.sh
       - name: Set up QEMU
-        if: ${{ steps.delivery.outputs.run == 'true' }}
+        if: ${{ steps.delivery.outputs.run == 'true' && github.event_name != 'pull_request' }}
         uses: https://github.com/docker/setup-qemu-action@v3
         with:
           cache-image: "false"
@@ -77,6 +77,11 @@ jobs:
             echo 'tags<<EOF'
             echo "$tags"
             echo 'EOF'
+            if [[ "${GITHUB_EVENT_NAME}" == "pull_request" ]]; then
+              echo 'platforms=linux/amd64'
+            else
+              echo 'platforms=linux/amd64,linux/arm64'
+            fi
           } >> "$GITHUB_OUTPUT"
 
       - name: Build and push image
@@ -87,6 +92,6 @@ jobs:
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
-          platforms: linux/amd64,linux/arm64
+          platforms: ${{ steps.prep.outputs.platforms }}
           tags: ${{ steps.prep.outputs.tags }}
           labels: org.opencontainers.image.revision=${{ github.sha }}