diff --git a/system/monolith-gitlab-runner.nix b/system/monolith-gitlab-runner.nix
index 88aed45..fa449b4 100644
--- a/system/monolith-gitlab-runner.nix
+++ b/system/monolith-gitlab-runner.nix
@@ -40,10 +40,13 @@
           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-daemon.sh
-          ${pkgs.nix}/bin/nix-channel --add https://nixos.org/channels/nixos-20.09 nixpkgs # 3
-          ${pkgs.nix}/bin/nix-channel --update nixpkgs
+
+          . ${pkgs.nix}/etc/profile.d/nix.sh
+
           ${pkgs.nix}/bin/nix-env -i ${concatStringsSep " " (with pkgs; [ nix cacert git openssh ])}
+
+          ${pkgs.nix}/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
+          ${pkgs.nix}/bin/nix-channel --update nixpkgs
         '';
         environmentVariables = {
           ENV = "/etc/profile";
@@ -54,9 +57,6 @@
         };
         tagList = [ "nix" ];
       };
-
-
-
     };
   };
   systemd.services.gitlab-runner.serviceConfig.Nice = 10;
diff --git a/system/rainbow-gitlab-runner.nix b/system/rainbow-gitlab-runner.nix
index f3de7bd..20ea43b 100644
--- a/system/rainbow-gitlab-runner.nix
+++ b/system/rainbow-gitlab-runner.nix
@@ -15,6 +15,49 @@
         dockerImage = "debian";
         dockerPrivileged = true;
       };
+
+      # runner for building in docker via host's nix-daemon
+      # nix store will be readable in runner, might be insecure
+      nix = with lib;{
+        # File should contain at least these two variables:
+        # `CI_SERVER_URL`
+        # `REGISTRATION_TOKEN`
+        registrationConfigFile = config.age.secrets.gitlab-runner-thoreb-telemetria-registrationConfigFile.path; # 2
+        dockerImage = "alpine";
+        dockerVolumes = [
+          "/nix/store:/nix/store:ro"
+          "/nix/var/nix/db:/nix/var/nix/db:ro"
+          "/nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket:ro"
+        ];
+        dockerDisableCache = true;
+        preBuildScript = pkgs.writeScript "setup-container" ''
+          mkdir -p -m 0755 /nix/var/log/nix/drvs
+          mkdir -p -m 0755 /nix/var/nix/gcroots
+          mkdir -p -m 0755 /nix/var/nix/profiles
+          mkdir -p -m 0755 /nix/var/nix/temproots
+          mkdir -p -m 0755 /nix/var/nix/userpool
+          mkdir -p -m 1777 /nix/var/nix/gcroots/per-user
+          mkdir -p -m 1777 /nix/var/nix/profiles/per-user
+          mkdir -p -m 0755 /nix/var/nix/profiles/per-user/root
+          mkdir -p -m 0700 "$HOME/.nix-defexpr"
+
+          . ${pkgs.nix}/etc/profile.d/nix.sh
+
+          ${pkgs.nix}/bin/nix-env -i ${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" ];
+      };
+
     };
   };
   systemd.services.gitlab-runner.serviceConfig.Nice = 10;