diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6f478f58..b5b9c752 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -3,8 +3,11 @@ name: main
 on:
   workflow_dispatch:
   push:
-    tags:
-      - "*"
+    branches:
+      - master
+  # push:
+  #   tags:
+  #     - "*"
 
 jobs:
   create_release:
@@ -24,98 +27,90 @@ jobs:
           draft: false
           prerelease: false
   build_linux:
-    name: "linux build: ${{ matrix.arch }}"
-    runs-on: ubuntu-20.04 # use older version on purpose for GLIBC
-    needs: create_release # we need to know the upload URL
-    strategy:
-      fail-fast: true
-      matrix:
-        arch: [x64, aarch64, armv7]
-    steps:
-      - uses: actions/checkout@v3
-      - name: configure
-        run: |
-          cmake -Bbuild -DCMAKE_INSTALL_PREFIX=_install/piper -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch }}
-      - name: build
-        run: |
-          cmake --build build --config Release
-      - name: install
-        run: |
-          cmake --install build
-      - name: package
-        run: |
-          cd _install && \
-          tar -czf piper_linux_${{ matrix.arch }}.tar.gz piper/
-      - name: upload
-        uses: actions/upload-release-asset@v1
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        with:
-          upload_url: ${{ needs.create_release.outputs.upload_url }}
-          asset_path: _install/piper_linux_${{ matrix.arch }}.tar.gz
-          asset_name: piper_linux_${{ matrix.arch }}.tar.gz
-          asset_content_type: application/octet-stream
-  build_windows:
-    runs-on: windows-latest
-    name: "windows build: ${{ matrix.arch }}"
-    needs: create_release # we need to know the upload URL
-    strategy:
-      fail-fast: true
-      matrix:
-        arch: [x64]
-    steps:
-      - uses: actions/checkout@v3
-      - name: configure
-        run: |
-          cmake -Bbuild -DCMAKE_INSTALL_PREFIX=_install/piper
-      - name: build
-        run: |
-          cmake --build build --config Release
-      - name: install
-        run: |
-          cmake --install build
-      - name: package
-        run: |
-          cd _install
-          Compress-Archive -LiteralPath piper -DestinationPath piper_windows_amd64.zip
-      - name: upload
-        uses: actions/upload-release-asset@v1
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        with:
-          upload_url: ${{ needs.create_release.outputs.upload_url }}
-          asset_path: _install/piper_windows_amd64.zip
-          asset_name: piper_windows_amd64.zip
-          asset_content_type: application/zip
-  build_macos:
-    name: "macos build: ${{ matrix.arch }}"
-    runs-on: macos-latest
-    needs: create_release # we need to know the upload URL
-    strategy:
-      fail-fast: true
-      matrix:
-        arch: [x64, aarch64]
+    name: "linux build"
+    runs-on: ubuntu-latest
+    needs: create_release  # we need to know the upload URL
     steps:
       - uses: actions/checkout@v3
-      - name: configure
-        run: |
-          cmake -Bbuild -DCMAKE_INSTALL_PREFIX=_install/piper
+      - uses: docker/setup-qemu-action@v2
+      - uses: docker/setup-buildx-action@v2
       - name: build
         run: |
-          cmake --build build --config Release
-      - name: install
-        run: |
-          cmake --install build
-      - name: package
-        run: |
-          cd _install && \
-          tar -czf piper_macos_${{ matrix.arch }}.tar.gz piper/
-      - name: upload
-        uses: actions/upload-release-asset@v1
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        with:
-          upload_url: ${{ needs.create_release.outputs.upload_url }}
-          asset_path: _install/piper_macos_${{ matrix.arch }}.tar.gz
-          asset_name: piper_macos_${{ matrix.arch }}.tar.gz
-          asset_content_type: application/octet-stream
+          docker buildx build . --platform linux/arm64 --output 'type=local,dest=dist'
+      # - name: package
+      #   run: |
+      #     cd _install && \
+      #     tar -czf piper_linux_${{ matrix.arch }}.tar.gz piper/
+      # - name: upload
+      #   uses: actions/upload-release-asset@v1
+      #   env:
+      #     GITHUB_TOKEN: ${{ github.token }}
+      #   with:
+      #     upload_url: ${{ needs.create_release.outputs.upload_url }}
+      #     asset_path: _install/piper_linux_${{ matrix.arch }}.tar.gz
+      #     asset_name: piper_linux_${{ matrix.arch }}.tar.gz
+      #     asset_content_type: application/octet-stream
+  # build_windows:
+  #   runs-on: windows-latest
+  #   name: "windows build: ${{ matrix.arch }}"
+  #   needs: create_release # we need to know the upload URL
+  #   strategy:
+  #     fail-fast: true
+  #     matrix:
+  #       arch: [x64]
+  #   steps:
+  #     - uses: actions/checkout@v3
+  #     - name: configure
+  #       run: |
+  #         cmake -Bbuild -DCMAKE_INSTALL_PREFIX=_install/piper
+  #     - name: build
+  #       run: |
+  #         cmake --build build --config Release
+  #     - name: install
+  #       run: |
+  #         cmake --install build
+  #     - name: package
+  #       run: |
+  #         cd _install
+  #         Compress-Archive -LiteralPath piper -DestinationPath piper_windows_amd64.zip
+  #     - name: upload
+  #       uses: actions/upload-release-asset@v1
+  #       env:
+  #         GITHUB_TOKEN: ${{ github.token }}
+  #       with:
+  #         upload_url: ${{ needs.create_release.outputs.upload_url }}
+  #         asset_path: _install/piper_windows_amd64.zip
+  #         asset_name: piper_windows_amd64.zip
+  #         asset_content_type: application/zip
+  # build_macos:
+  #   name: "macos build: ${{ matrix.arch }}"
+  #   runs-on: macos-latest
+  #   needs: create_release # we need to know the upload URL
+  #   strategy:
+  #     fail-fast: true
+  #     matrix:
+  #       arch: [x64, aarch64]
+  #   steps:
+  #     - uses: actions/checkout@v3
+  #     - name: configure
+  #       run: |
+  #         cmake -Bbuild -DCMAKE_INSTALL_PREFIX=_install/piper
+  #     - name: build
+  #       run: |
+  #         cmake --build build --config Release
+  #     - name: install
+  #       run: |
+  #         cmake --install build
+  #     - name: package
+  #       run: |
+  #         cd _install && \
+  #         tar -czf piper_macos_${{ matrix.arch }}.tar.gz piper/
+  #     - name: upload
+  #       uses: actions/upload-release-asset@v1
+  #       env:
+  #         GITHUB_TOKEN: ${{ github.token }}
+  #       with:
+  #         upload_url: ${{ needs.create_release.outputs.upload_url }}
+  #         asset_path: _install/piper_macos_${{ matrix.arch }}.tar.gz
+  #         asset_name: piper_macos_${{ matrix.arch }}.tar.gz
+  #         asset_content_type: application/octet-stream
diff --git a/Makefile b/Makefile
index 2ee7ced2..28dc33c7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: clean
+.PHONY: clean docker
 
 all:
 	cmake -Bbuild -DCMAKE_INSTALL_PREFIX=install
@@ -6,5 +6,8 @@ all:
 	cd build && ctest --config Release
 	cmake --install build
 
+docker:
+	docker buildx build . --platform linux/amd64,linux/arm64,linux/arm/v7 --output 'type=local,dest=dist'
+
 clean:
-	rm -rf build install
+	rm -rf build install dist