Create build-publish.yml

.github/workflows/build-publish.yml

@@ -0,0 +1,26 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Log in to GitHub Container Registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Build Docker Image
+        run: |
+          docker build -t ghcr.io/${{ github.repository }}/julia-jeg-kernelspec:beta .
+
+      - name: Push Docker Image
+        run: |
+          docker push ghcr.io/${{ github.repository }}/julia-jeg-kernelspec:beta