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Pin PostgreSQL to v15 for NixOS 24.11 upgrade

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Prevents automatic upgrade to PostgreSQL 16 when upgrading NixOS.
This allows a safer two-step approach: upgrade NixOS first, then
pg_upgrade later.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Dan 2026-01-10 16:07:13 -08:00
parent 42ebc501c3
commit db7b05a46e
1 changed files with 3 additions and 1 deletions
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4
modules/dev-services.nix
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@ -1,5 +1,5 @@
# Development services module - Matrix, Forgejo, and Slack bridge # Development services module - Matrix, Forgejo, and Slack bridge
{ config, pkgs-unstable, lib, ... }: { config, pkgs, pkgs-unstable, lib, ... }:
with lib; with lib;
@ -99,8 +99,10 @@ in
config = mkIf cfg.enable { config = mkIf cfg.enable {
# PostgreSQL for Forgejo and bridge services (Matrix uses RocksDB) # PostgreSQL for Forgejo and bridge services (Matrix uses RocksDB)
# Pin to v15 to prevent auto-upgrade to v16 in NixOS 24.11
services.postgresql = { services.postgresql = {
enable = true; enable = true;
package = pkgs.postgresql_15;
ensureDatabases = [ ensureDatabases = [
"forgejo" "forgejo"
] ++ optional cfg.slackBridge.enable "mautrix_slack"; ] ++ optional cfg.slackBridge.enable "mautrix_slack";