Postgres server port value specified in test playbook referred as documentation can cause headaches

[fredmenez]

Hello, just a friendly feedback : it took me an unusually long time to figure out why psql couldn't connect to a PG server deployed using values taken in tests/vars.yml.

Postgres default famous port is 5432, so what is the rationale behind setting it to an unusual value like 5433 ?

➡️ https://github.com/ANXS/postgresql/blob/master/tests/vars.yml#L4

This probably has something to with running tests on a server already serving another instance on 5432.

I suggest referring documentation readers to other samples files with conventional settings to avoid surprises.

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