diff --git a/base/users.nix b/base/users.nix
index 318a4ec..26a4219 100644
--- a/base/users.nix
+++ b/base/users.nix
@@ -13,6 +13,7 @@ in
     extraGroups = [
       "media"
       "networkmanager"
+      "docker"
       "wheel" # Enable ‘sudo’ for the user.
     ];
     shell = pkgs.fish;
diff --git a/hosts/poseidon/default.nix b/hosts/poseidon/default.nix
index bd9c4f8..487f79f 100644
--- a/hosts/poseidon/default.nix
+++ b/hosts/poseidon/default.nix
@@ -33,6 +33,10 @@ in
     package = pkgs.unstable.tailscale;
   };
 
+  virtualisation.docker = {
+    enable = true;
+  };
+
   networking.hostName = "poseidon"; # Define your hostname.
   networking.domain = "alarsyo.net";
 
@@ -158,4 +162,8 @@ in
 
   # Takes a long while to build
   documentation.nixos.enable = false;
+
+  environment.systemPackages = with pkgs; [
+    docker-compose
+  ];
 }