diff --git a/.github/workflows/ci-docker-build.yml b/.github/workflows/ci-docker-build.yml
index 8c8a348c461..5e0845ec3a9 100644
--- a/.github/workflows/ci-docker-build.yml
+++ b/.github/workflows/ci-docker-build.yml
@@ -44,7 +44,16 @@ jobs:
 
     - uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18
 
+    - name: Build only linux/amd64 docker image for Pull Request
+      if: github.ref_name != 'main'
+      run: bash scripts/build-upload-docker-images.sh
+      env:
+        PLATFORMS: "linux/amd64"
+        DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
+        QUAY_TOKEN: ${{ secrets.QUAY_TOKEN }}
+
     - name: Build and upload all docker images
+      if: github.ref_name == 'main'
       run: bash scripts/build-upload-docker-images.sh
       env:
         DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
diff --git a/scripts/build-upload-docker-images.sh b/scripts/build-upload-docker-images.sh
index 14ad299821c..6e467781684 100755
--- a/scripts/build-upload-docker-images.sh
+++ b/scripts/build-upload-docker-images.sh
@@ -2,16 +2,19 @@
 
 set -euxf -o pipefail
 
+# build multi-arch docker images by default
+platforms="${PLATFORMS:-linux/amd64,linux/s390x,linux/ppc64le,linux/arm64}"
+
 make create-baseimg-debugimg
 
-# build multi-arch binaries
 make build-binaries-linux
-make build-binaries-s390x
-make build-binaries-ppc64le
-make build-binaries-arm64
 
-# build multi-arch docker images
-platforms="linux/amd64,linux/s390x,linux/ppc64le,linux/arm64"
+# build multi-arch binaries
+if [ "$platforms" = "linux/amd64,linux/s390x,linux/ppc64le,linux/arm64" ]; then
+  make build-binaries-s390x
+  make build-binaries-ppc64le
+  make build-binaries-arm64
+fi
 
 # build/upload raw and debug images of Jaeger backend components
 for component in agent collector query ingester remote-storage