Container based developer flow

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/CONTRIBUTING.md

@@ -14,6 +14,19 @@ Contributions to this project are [released](https://help.github.com/articles/gi
 7. Push to your fork and [submit a pull request](https://github.com/docker/setup-qemu-action/compare)
 8. Pat your self on the back and wait for your pull request to be reviewed and merged.
 
+## Container based developer flow
+
+If you don't want to maintain a Node developer environment that fits this project you can use containerized commands
+instead of invoking yarn directly.
+
+```
+# format code and build javascript artifacts
+docker buildx bake pre-checkin
+
+# validate all code has correctly formatted and built
+docker buildx bake validate
+```
+
 Here are a few things you can do that will increase the likelihood of your pull request being accepted:
 
 - Make sure the `README.md` and any other relevant **documentation are kept up-to-date**.

.github/workflows/validate.yml

@@ -0,0 +1,25 @@
+name: validate
+
+on:
+  push:
+    branches:
+      - 'master'
+      - 'releases/v*'
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    branches:
+      - 'master'
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Validate
+        run: docker buildx bake validate