A job to push operator image from main (#144)

#143

Signed-off-by: asararatnakar <[email protected]>

.github/workflows/image-build.yaml

@@ -0,0 +1,20 @@
+name: Build and Push Operator image
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  image:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build
+        run: |
+          scripts/install-tools.sh
+          make image
+      - name: Push
+        run: |
+          echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u $GITHUB_ACTOR --password-stdin
+          make image-push image-push-latest