Maximilian Bosch 6ae194e419 nixos/postgresql: set Restart=always for postgresql.service ...

...including a slightly more careful config around restarts, i.e.

* We have intervals of 5 seconds between restarts instead of 100ms.

* If we exceed 5 start attempts in 5*120s (with 120s being the timeout),
  start job gets rate-limited and thus aborted. Do note that there are
  at most 5 start attempts allowed in ~625s by default. If the startup
  fails very quickly, either wait until the rate-limit is over or reset
  the counter using `systemctl reset-failed postgresql.service`.

* The interval of 625s (plus 5s of buffer) are automatically derived
  from RestartSec & TimeoutSec. Changing either will also affect
  StartLimitIntervalSec unless overridden with `mkForce`.

2025-07-26 19:11:54 +02:00

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