Test with envs and secrets

Author: inistor

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.DOCKERHUB_USERNAME }}/openrepo
+          images: ${{ vars.DOCKERHUB_USERNAME }}/openrepo
           tags: |
             type=schedule
             type=ref,event=branch
@@ -29,13 +29,13 @@ jobs:
       -
         name: Print environment variables
         run: |
-          echo "DOCKERHUB_USERNAME=${{ env.DOCKERHUB_USERNAME }}"
+          echo "DOCKERHUB_USERNAME=${{ vars.DOCKERHUB_USERNAME }}"
           echo "DOCKERHUB_TOKEN=${{ secrets.DOCKERHUB_TOKEN }}"
       -
         name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
-          username: ${{ env.DOCKERHUB_USERNAME }}
+          username: ${{ vars.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       -
         name: Build and push