Update Publish.yml to push to ghcr

.github/workflows/publish.yml

@@ -1,30 +1,50 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
 
-name: ci
+name: Publish Docker image
 
 on:
-  push:
-    branches:
-      - 'main'
+  release:
+    types: [published]
 
 jobs:
-  docker:
+  push_to_registries:
+    name: Push Docker image to multiple registries
     runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
     steps:
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      -
-        name: Login to DockerHub
-        uses: docker/login-action@v2
+      - name: Check out the repo
+        uses: actions/checkout@v3
+      
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.TOKEN }}
-      -
-        name: Build and push
-        uses: docker/build-push-action@v3
+      
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: |
+            my-docker-hub-namespace/my-docker-hub-repository
+            ghcr.io/${{ github.repository }}
+      
+      - name: Build and push Docker images
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
           push: true
-          tags: ${{ secrets.DOCKERHUB_USERNAME }}/hullcss:latest
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}