On Fri, 2023-06-16 at 14:49 +0000, Brainmue wrote: > 16. Juni 2023 14:50, "Laurenz Albe" <laurenz.albe@xxxxxxxxxxx> schrieb: > > > On Fri, 2023-06-16 at 12:35 +0000, Brainmue wrote: > > > > > We want to minimise dependencies between the application and the associated PostgreSQL DB. > > > The idea is that the application gets its DB alias and this is then used as a connection string. > > > This way we can decide in the backend on which server the PostgreSQL DB is running. > > > > There is an existing solution for that: the libpq connection service file: > > https://www.postgresql.org/docs/current/libpq-pgservice.html > > > > If you want to manage the connection strings centrally, you can use LDAP lookup: > > https://www.postgresql.org/docs/current/libpq-ldap.html > > Thank you, I already know this solution, but the LDAP solution is out of the question for us and > the file again means an intervention on the client. And that's exactly what we don't want. Okay. Then why don't you go with your original solution, but use a unique TCP port number for each database? There are enough port numbers available. That way, there is no collision and no need for a proxy to map port numbers. Yours, Laurenz Albe
