try to publish to ghcr

Author: hcientist

.github/workflows/ghcr-publish.yml

@@ -0,0 +1,52 @@
+name: Publish to GitHub Container Registry
+
+on:
+  push:
+    branches:
+      - main
+
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=sha
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

README.md

@@ -34,3 +34,8 @@ This is the frontend for MusicCPR.org
 1. package.json needs to specify the different port
     * change the `start` line in package.json to `"start": "next start -p 3003"`
 1. .env files may need to be copied from prior versions 
+
+
+## GitHub Container Registry (GHCR)
+
+**Note:** For the workflow to push packages, you may need to ensure your repository settings allow GitHub Actions to create packages. Go to Settings → Actions → General → Workflow permissions and ensure "Read and write permissions" is enabled.