Create publish-docker.yml

.github/workflows/publish-docker.yml

@@ -0,0 +1,23 @@
+name: Docker Image CI
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.GHCR_USERNAME }}
+          password: ${{ secrets.GHCR_TOKEN }}
+
+      - name: Build and push Docker image
+        run: |
+          docker build -t ghcr.io/${{ github.repository }}/dominiontabs:${{ github.sha }} .
+          docker push ghcr.io/${{ github.repository }}/dominiontabs:${{ github.sha }}