How to make the database (or part of it) accessible to a cloud data processor?

If you add 5432 to the app.yml it is exposed directly, without needing the SSH tunnel.

I can’t give advice on the pgAdmin SSH tunnel, as I have never used it. I assume it expects the port to list to local connections, so it doesn’t need to be exposed to the internet.

Try:

expose:
  - "80:80"
  - "443:443"
  - "5432"
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