Switch around the container image build to run outside, allow for the…

… release to be updated with each binary

.github/workflows/release.yml

@@ -37,7 +37,21 @@ jobs:
         with:
           name: binary-amd64-${{ matrix.os }}
           path: bin/roadie-${{ matrix.os }}-amd64
+      # Could potentially use saadmk11/[email protected] to automate the release body
+      - name: 'Create Github Release'
+        uses: ncipollo/release-action@v1
+        with:
+          allowUpdates: true
+          artifacts: 'bin/*'
+          omitBody: true
 
+  # The container image build doesn't depend on any steps outside the build process itself, run in parallel
+  container:
+    runs-on: ubuntu-latest
+    name: 'Build Container Image'
+    steps:
+      - name: 'Setup Docker buildx'
+        uses: docker/setup-buildx-action@v3
       - name: 'Login to Docker Hub'
         uses: docker/login-action@v3
         with:
@@ -52,13 +66,8 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-
-      - name: 'Create Github Release'
-        uses: ncipollo/release-action@v1
-        with:
-          artifacts: 'bin/*'
-          omitBody: true