chore(docker): image not properly pushed to DockerHub

Author: eliandoran

.github/workflows/main-docker.yml

@@ -204,7 +204,9 @@ jobs:
           file: apps/server/${{ matrix.dockerfile }}
           platforms: ${{ matrix.platform }}
           labels: ${{ steps.meta.outputs.labels }}
-          outputs: type=image,name=${{ env.GHCR_REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+          outputs: |
+            type=image,name=${{ env.GHCR_REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+            type=image,name=${{ env.DOCKERHUB_REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
 
       - name: Export digest
         run: |