ci: add Docker build and push workflow

.github/workflows/docker.yaml

@@ -0,0 +1,24 @@
+name: Build and push Docker image
+
+on:
+  release:
+    types:
+      - created
+
+jobs:
+  build-and-push-image:
+    name: Build and push image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: ${{ github.repository }} ":"" ${{ github.ref }}