Add a docker build action

Created from workflow template

.github/workflows/docker.yml

@@ -0,0 +1,18 @@
+name: Build and Push Docker
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build the Docker image
+      run: |
+        VERSION=$(git describe --always --long --dirty --tags)
+        docker login docker.pkg.github.com -p ${{ secrets.GITHUB_TOKEN }}
+        docker build . --tag rove:$VERSION --tag rove:latest
+        docker push docker.pkg.github.com/mdiluz/rove/rove:$VERSION
+        docker push docker.pkg.github.com/mdiluz/rove/rove:latest