diff --git a/hosts/tanzanite/default.nix b/hosts/tanzanite/default.nix
index 3d928e8..a475a20 100644
--- a/hosts/tanzanite/default.nix
+++ b/hosts/tanzanite/default.nix
@@ -10,6 +10,13 @@ in {
 
   networking.hostName = "tanzanite";
   time.timeZone = "America/Los_Angeles";
+
+  virtualisation.docker = {
+    enable = true;
+    daemon.settings = {
+      data-root = "/opt/data";
+    };
+  };
   networking.firewall = {
     allowedTCPPorts = [ 22 80 222 443 ];