Added workflow for different stages

.github/workflows/bake_to_test.yml

@@ -0,0 +1,32 @@
+name: Test-Build Docker Image
+
+on:
+  workflow_dispatch:
+  push:
+
+jobs:
+  bake-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2.3.4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: all
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1.6.0
+      - name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./docker/docker-py3-kms/Dockerfile
+          platforms: linux/amd64,linux/386,linux/arm64/v8,linux/arm/v7,linux/arm/v6
+          push: false
+      - name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./docker/docker-py3-kms-minimal/Dockerfile
+          platforms: linux/amd64,linux/386,linux/arm64/v8,linux/arm/v7,linux/arm/v6
+          push: false