From d19269b3d5be9f184b2b7443716541f49ba89b1b Mon Sep 17 00:00:00 2001
From: James Walker <walkah@walkah.net>
Date: Wed, 22 Sep 2021 17:37:06 -0400
Subject: [PATCH] =?UTF-8?q?=E2=9C=82=EF=B8=8F=20auto=20prune=20stale=20doc?=
 =?UTF-8?q?ker=20images?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 hosts/plato/configuration.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/hosts/plato/configuration.nix b/hosts/plato/configuration.nix
index 8cb6613..3b541b5 100644
--- a/hosts/plato/configuration.nix
+++ b/hosts/plato/configuration.nix
@@ -74,7 +74,14 @@ in {
   services.tailscale.enable = true;
   services.keybase.enable = true;
 
-  virtualisation.docker.enable = true;
+  virtualisation.docker = {
+    enable = true;
+    # Clean docker images periodically
+    autoPrune = {
+      enable = true;
+      flags = [ "--all" ];
+    };
+  };
 
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];