Adding QEMU builder for ARM builds.

.github/workflows/deploy-single-image.yml

@@ -28,6 +28,11 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: ${{ matrix.node-version }}
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Setup Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
       - name: Install Pro
         run: yarn install:pro $BRANCH $BASE_BRANCH
       - name: Run Yarn
@@ -62,7 +67,9 @@ jobs:
           echo $release_version
           echo "RELEASE_VERSION=$release_version" >> $GITHUB_ENV
       - name: Tag and release Budibase service docker image
-        run: |
-          yarn build:docker:single:image
-          docker tag budibase budibase/budibase:v${{ env.RELEASE_VERSION }}
-          docker push budibase/budibase:v${{ env.RELEASE_VERSION }}
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          tags: budibase,budibase/budibase:v${{ env.RELEASE_VERSION }}
+          file: ./hosting/single/Dockerfile