diff --git a/hosts/ornithologist/default.nix b/hosts/ornithologist/default.nix
index 2c63c08..ae36071 100644
--- a/hosts/ornithologist/default.nix
+++ b/hosts/ornithologist/default.nix
@@ -1,2 +1,10 @@
-{
+{pkgs, ...}: {
+  # Install some packages.
+  environment.systemPackages = with pkgs; [deploy-rs];
+
+  # Allow emulating aarch64 to build for Raspberry Pi.
+  boot.binfmt.emulatedSystems = ["aarch64-linux"];
+
+  # Enable docker.
+  flock.docker.enable = true;
 }