Michael Fitz-Payne 5624dbaa9b FIX(cache_critical_dns): use DB port sourced from environment
Fixes an assumption that the PostgreSQL port will always be reachable at
the discovered host on the default port when performing the healthcheck.

Instead we should be sourcing this from the same environment variable
that the application will be using to connect to.

Defaults to the standard PG port, 5432.
2023-03-10 10:09:07 +10:00
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