Add test pipeline

Author: devopsmariocom

.github/workflows/test.yml

@@ -0,0 +1,28 @@
+# TODO:
+# 1. Create PAT with `read:packages` and `write:packages` see https://docs.github.com/en/free-pro-team@latest/packages/guides/migrating-to-github-container-registry-for-docker-images#authenticating-with-the-container-registry
+# 2. Create CR_PAT variable under Settings / Secrets
+
+name: Docker
+
+env:
+  FETCHER_IMAGE_VERSION: 3.15.0
+  BASE_IMAGE_VERSION: commit-f2d623ca9d270c2ce8560d2ca0f9ce71b105aff2 # See https://hub.docker.com/r/gitpod/workspace-base/tags
+  
+  # NOTE: DO NOT CHANGE THIS IS TMP IMAGE NAME
+  IMAGE_NAME: image
+
+jobs:
+  # Run tests.
+  # See also https://docs.docker.com/docker-hub/builds/automated-testing/
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Run tests
+        run: |
+          docker build . \
+           --build-arg FETCHER_IMAGE_VERSION=${FETCHER_IMAGE_VERSION} \
+           --build-arg BASE_IMAGE_VERSION=${BASE_IMAGE_VERSION} \
+           --file Dockerfile --tag $IMAGE_NAME