feat(tsuba): Add image pruning systemd timer

2026-01-13 00:55:46 +05:30
parent 49ad26ac1c
commit 165dff7faa
4 changed files with 23 additions and 3 deletions
--- a/nixos/tsuba/services/docker.nix
+++ b/nixos/tsuba/services/docker.nix
@@ -0,0 +1,21 @@
+{pkgs, ...}: {
+  virtualisation.docker.enable = true;
+  virtualisation.oci-containers.backend = "docker";
+  systemd.services.docker-prune-image = {
+    description = "Docker prune unused images";
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "${pkgs.docker}/bin/docker image prune -f";
+    };
+  };
+  systemd.timers.docker-prune-image = {
+    description = "Timer for docker image prune";
+    wantedBy = ["timers.target"];
+    timerConfig = {
+      OnCalendar = "Mon *-*-* 02:00:00";
+      OnUnitInactiveSec = "6d";
+      Persistent = true;
+      RandomizedDelaySec = "1h";
+    };
+  };
+}