move to github repository - check

.github/workflows/build-docker.yml

@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: [ master ]
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   docker:
     runs-on: ubuntu-latest
@@ -46,12 +50,12 @@ jobs:
         id: buildx
         uses: docker/setup-buildx-action@master
 
-      - name: Login to DockerHub
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GH_TOKEN }}
 
       - name: Build
         uses: docker/build-push-action@v2