diff --git a/configuration/hosts/hainich/services/gitlab-runner.nix b/configuration/hosts/hainich/services/gitlab-runner.nix
index cfecd1e..2254f7a 100644
--- a/configuration/hosts/hainich/services/gitlab-runner.nix
+++ b/configuration/hosts/hainich/services/gitlab-runner.nix
@@ -4,11 +4,46 @@
   services.gitlab-runner = {
     enable = true;
     concurrent = 4;
-    services.infra4future = {
-      buildsDir = "/var/lib/gitlab-runner/builds";
-      dockerImage = "nixos/nix";
-      executor = "docker";
-      registrationConfigFile = "/run/gitlab-runner.env";
+    services = {
+      infra4future = {
+        buildsDir = "/var/lib/gitlab-runner/builds";
+        dockerImage = "nixos/nix";
+        executor = "docker";
+        registrationConfigFile = "/run/gitlab-runner.env";
+      };
+      nix = {
+        registrationConfigFile = "/run/gitlab-runner.env";
+        dockerImage = "alpine";
+        dockerVolumes = [
+          "/nix/store:/nix/store:ro"
+          "/nix/var/nix/db:/nix/var/nix/db:ro"
+          "/nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket:ro"
+        ];
+        dockerDisableCache = true;
+        preBuildScript = pkgs.writeScript "setup-container" ''
+          mkdir -p -m 0755 /nix/var/log/nix/drvs
+          mkdir -p -m 0755 /nix/var/nix/gcroots
+          mkdir -p -m 0755 /nix/var/nix/profiles
+          mkdir -p -m 0755 /nix/var/nix/temproots
+          mkdir -p -m 0755 /nix/var/nix/userpool
+          mkdir -p -m 1777 /nix/var/nix/gcroots/per-user
+          mkdir -p -m 1777 /nix/var/nix/profiles/per-user
+          mkdir -p -m 0755 /nix/var/nix/profiles/per-user/root
+          mkdir -p -m 0700 "$HOME/.nix-defexpr"
+          . ${pkgs.nix}/etc/profile.d/nix.sh
+          ${pkgs.nix}/bin/nix-env -i ${lib.concatStringsSep " " (with pkgs; [ nix cacert git openssh ])}
+          ${pkgs.nix}/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
+          ${pkgs.nix}/bin/nix-channel --update nixpkgs
+        '';
+        environmentVariables = {
+          ENV = "/etc/profile";
+          USER = "root";
+          NIX_REMOTE = "daemon";
+          PATH = "/nix/var/nix/profiles/default/bin:/nix/var/nix/profiles/default/sbin:/bin:/sbin:/usr/bin:/usr/sbin";
+          NIX_SSL_CERT_FILE = "/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt";
+        };
+        tagList = [ "nix" ];
+      };
     };
   };