fix: Github actions not having permissions

.github/workflows/build.yml

@@ -35,6 +35,9 @@ jobs:
   push:
     timeout-minutes: 10
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
     # needs: test
     # if: github.ref == 'refs/heads/main'
 
@@ -45,7 +48,7 @@ jobs:
       - name: 'Login to GitHub Container Registry'
         uses: docker/login-action@v1
         with:
-          registry: ghcr.io
+          registry: ${{env.REGISTRY}}
           username: ${{github.actor}}
           password: ${{secrets.GITHUB_TOKEN}}