How to manage hotfix resolution?

When pushing to production sometimes we can have blocking issu that needs to be fix ASAP.

I believe that it is a best practice to have a bugfix sandbox aligned with the production and staging environment to achieve it.

Bellow is a schema of my vision.

What is your recommandation to handle this kind of need ? How to keep the developer sandboxes update to date in this case?

Start by reviewing the attached hotfix-flow schema and the production, staging, and bugfix-sandbox workflow described in the issue. Define the project’s recommendation for handling blocking production fixes and keeping developer sandboxes up to date; the issue is complete when that guidance is documented.

Written by the indexing model from the issue text.