Choosing a Base Domain for Astronomer

You need to choose a base domain for your Astronomer installation, something like Each Airflow cluster you install will be accessible at a URL like and the admin application will be installed to, the Grafana dashboard will be installed to etc.

You will need to edit the DNS for this domain. If you work for a big company it might be easier to just register a new domain like that you'll have full control of, and Astronomer can be installed on that root domain ( etc).

Note: For the purpose of our tutorial, our application domain is