From 165dff7faa812bb1b3436b5cde1eb3264c6e8862 Mon Sep 17 00:00:00 2001
From: servius <servius@darksailor.dev>
Date: Tue, 13 Jan 2026 00:55:46 +0530
Subject: [PATCH] feat(tsuba): Add image pruning systemd timer

---
 nixos/tsuba/configuration.nix     |  2 --
 nixos/tsuba/services/default.nix  |  1 +
 nixos/tsuba/services/docker.nix   | 21 +++++++++++++++++++++
 nixos/tsuba/services/jellyfin.nix |  2 +-
 4 files changed, 23 insertions(+), 3 deletions(-)
 create mode 100644 nixos/tsuba/services/docker.nix

diff --git a/nixos/tsuba/configuration.nix b/nixos/tsuba/configuration.nix
index 985a4d42..dab2bdd1 100644
--- a/nixos/tsuba/configuration.nix
+++ b/nixos/tsuba/configuration.nix
@@ -5,8 +5,6 @@
   device,
   ...
 }: {
-  virtualisation.docker.enable = true;
-  virtualisation.oci-containers.backend = "docker";
   users.extraUsers.servius.extraGroups = ["docker"];
   networking.firewall.enable = false;
   services.openssh.enable = true;
diff --git a/nixos/tsuba/services/default.nix b/nixos/tsuba/services/default.nix
index fafe5021..a7304ade 100644
--- a/nixos/tsuba/services/default.nix
+++ b/nixos/tsuba/services/default.nix
@@ -12,5 +12,6 @@
     ./monitoring.nix
     ./pihole.nix
     ./resolved.nix
+    ./docker.nix
   ];
 }
diff --git a/nixos/tsuba/services/docker.nix b/nixos/tsuba/services/docker.nix
new file mode 100644
index 00000000..e375782c
--- /dev/null
+++ 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 = "${pkgs.docker}/bin/docker image prune -f";
+    };
+  };
+  systemd.timers.docker-prune-image = {
+    description = "Timer for docker image prune";
+    wantedBy = ["timers.target"];
+    timerConfig = {
+      OnCalendar = "Mon *-*-* 02:00:00";
+      OnUnitInactiveSec = "6d";
+      Persistent = true;
+      RandomizedDelaySec = "1h";
+    };
+  };
+}
diff --git a/nixos/tsuba/services/jellyfin.nix b/nixos/tsuba/services/jellyfin.nix
index 384ec7f4..fa90adf0 100644
--- a/nixos/tsuba/services/jellyfin.nix
+++ b/nixos/tsuba/services/jellyfin.nix
@@ -50,7 +50,7 @@
     description = "Pull latest Jellyfin Docker image";
     serviceConfig = {
       Type = "oneshot";
-      ExecStart = "${pkgs.docker}/bin/docker pull ghcr.io/jellyfin/jellyfin:latest";
+      ExecStart = "${pkgs.docker}/bin/docker pull jellyfin/jellyfin:latest";
       ExecStartPost = "${pkgs.systemd}/bin/systemctl restart docker-jellyfin.service";
     };
   };