maybe this works

.github/workflows/root.yml

@@ -15,6 +15,12 @@ jobs:
 
       - uses: actions/checkout@v4
       
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Set up Java
         uses: actions/setup-java@v4
 
@@ -44,11 +50,13 @@ jobs:
           username: ${{ secrets.DOMAIL }}
           password: ${{ secrets.DOKEY }}
 
-      - name: Build the Docker image
-        run: docker build -t registry.digitalocean.com/jansel/aglaea:latest -t registry.digitalocean.com/jansel/aglaea:${{ steps.date.outputs.date }} .
-
-      - name: Push the Docker image related to this workflow
-        run: docker push -a registry.digitalocean.com/jansel/aglaea
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: registry.digitalocean.com/jansel/aglaea:latest,registry.digitalocean.com/jansel/aglaea:${{ steps.date.outputs.date }}
 
       - name: Remove the Docker image
         run: docker rmi registry.digitalocean.com/jansel/aglaea:${{ steps.date.outputs.date }}