Set ZFS storage for Podman

modules/development.nix

@@ -5,8 +5,20 @@
   environment.pathsToLink = [ "/share/nix-direnv" ];
 
   # Set up podman
-  virtualisation.podman = {
+  virtualisation = {
+    containers.enable = true;
+    containers.storage.settings.storage = {
+      driver = "zfs";
+      graphroot = "/var/lib/containers/storage";
+      runroot = "/run/containers/storage";
+    };
+
+    oci-containers.backend = "podman";
+
+    podman = {
       enable = true;
       dockerCompat = true;
+      extraPackages = with pkgs; [ zfs ];
+    };
   };
 }