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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alexander Farber <alexander.farber@gmail.com>
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Subject: Re: Connection to 127.0.0.1 refused in a Dockerfile based on postgres:17-alpine3.20
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Alexander Farber <alexander.farber@gmail.com> writes:
> TLDR "psql words_de" works, but "psql -h localhost words_de" does not

I'd try connecting the first way and seeing what "show
listen_addresses" gives.  Per your report it should be "*",
but maybe something is overriding that.

If it is "*", then it seems like something is interfering with
expanding that.  Maybe try explicitly setting it to "localhost"?

			regards, tom lane