Merge pull request #40 from PhilanthropyDataCommons/39-set-docker-platform-manifest

Use 'buildcache' for docker image build cache

Author: bickelj

.github/workflows/build.yml

@@ -38,10 +38,11 @@ jobs:
         uses: docker/build-push-action@v3
         with:
           context: .
+          platforms: linux/amd64
           push: true
           tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.VERSION }}, ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
-          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
-          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest,mode=max
+          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache
+          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache,mode=max
       - name: Notify the top-level 'deploy' project that an image was pushed
         uses: aurelien-baudet/workflow-dispatch@v2.1.1
         with: