Create an artifact of the farmOS codebase built by Drush Make.

.github/workflows/test-build.yml

@@ -15,3 +15,10 @@ jobs:
         run: echo ::set-env name=FARMOS_BRANCH::${GITHUB_REF:11}
       - name: Build farmOS Docker image
         run: docker build -t farmos-dev --build-arg FARMOS_REPO=https://github.com/${GITHUB_REPOSITORY} --build-arg FARMOS_BRANCH=${FARMOS_BRANCH} docker/dev
+      - name: Run farmOS Docker container
+        run: docker run --rm -v /tmp/farmOS:/var/www/html farmos-dev true
+      - name: Upload artifact
+        uses: actions/upload-artifact@v1
+        with:
+          name: farmOS-${{ env.FARMOS_BRANCH }}
+          path: /tmp/farmOS