Update dockercontainer-build.yml

Author: LenBanana

.github/workflows/dockercontainer-build.yml

@@ -27,7 +27,7 @@ jobs:
           else
             docker build . --file Dockerfile
           fi
-  # Push multi-architecture image to GitHub Packages.
+  # Push multi-architecture image to GitHub Container Registry.
   push:
     # Ensure test job passes before pushing image.
     needs: test
@@ -46,13 +46,17 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
 
-      - name: Log into registry
-        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Prepare image metadata
         id: prep
         run: |
-          IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/$IMAGE_NAME
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
 
           # Change all uppercase to lowercase
           IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')