How do I connect to a Private Space Postgres database externally? e.g. via PgAdmin

Issue

I'd like to connect to my Private or Shield Space Postgres instance externally.

Resolution

Please see the following link for the most up-to-date methods for connecting to the database externally.
https://devcenter.heroku.com/articles/heroku-postgres-via-mtls#connecting-to-your-database-from-an-external-resource

Migrating data from Common Runtime to Private Spaces

We have additional advice on this process here: https://devcenter.heroku.com/articles/migrating-heroku-postgres-databases-to-private-spaces