ci: restore ghcr docker image publishing

.github/workflows/docker-publish.yml

@@ -6,6 +6,7 @@ on:
 
 permissions:
   contents: read
+  packages: write
 
 jobs:
   docker:
@@ -16,19 +17,18 @@ jobs:
       - uses: docker/setup-qemu-action@v3
       - uses: docker/setup-buildx-action@v3
 
-      - name: Log in to Docker Hub
+      - name: Log in to GHCR
         uses: docker/login-action@v3
         with:
-          # Configure these in GitHub repository Settings → Secrets and variables → Actions.
-          # DOCKERHUB_USERNAME should normally be "shukbet".
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Extract image metadata
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: shukbet/mediastationgo
+          images: ghcr.io/shukebta/mediastation-go
           tags: |
             type=raw,value=latest
             type=ref,event=tag