feat(CI/CD): add push to ghcr.io

.github/workflows/publish-image.yml

@@ -0,0 +1,22 @@
+name: Deploy to ghcr.io
+
+on:
+  push:
+    branches:
+      - rupansh/grpc
+  workflow_dispatch:
+
+jobs:
+  docker_publish:
+    runs-on: "ubuntu-20.04"
+
+  steps:
+    - uses: actions/checkout@v2
+
+    - name: Build and publish docker image
+      uses: macbre/push-to-ghcr@master
+      with:
+        image_name: yral-metadata
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        dockerfile: ./Dockerfile.local
+        image_tag: ${{ github.sha }}