Builder: update runner, improving available options

hosts/builder/default.nix

@@ -102,17 +102,17 @@
   };
 
   # Ollama used by open-webui as llm backend
-  services.ollama = {
-    enable = true;
-    # acceleration = "rocm";
-    openFirewall = true;
-  };
+  # services.ollama = {
+  #   enable = true;
+  #   # acceleration = "rocm";
+  #   openFirewall = true;
+  # };
 
-  services.nextjs-ollama-llm-ui = {
-    enable = true;
-    hostname = "192.168.3.118";
-    port = 3001;
-  };
+  # services.nextjs-ollama-llm-ui = {
+  #   enable = true;
+  #   hostname = "192.168.3.118";
+  #   port = 3001;
+  # };
   # services.open-webui = {
   #   enable = true;
   #   port = 8080;
@@ -248,15 +248,26 @@
     name = "builder";
     tokenFile = config.sops.secrets."gitea_token".path;
     labels = [
-      # provide a debian base with nodejs for actions
-      "debian-latest:docker://node:18-bullseye"
       # fake the ubuntu name, because node provides no ubuntu builds
-      "ubuntu-latest:docker://node:18-bullseye"
+      "ubuntu-latest:docker://docker.gitea.com/runner-images:ubuntu-latest"
+      # my custom nix+devenv ci container
+      "nix-ci:docker://gitlab.julian-mutter.de/julian/nix-ci-container:latest"
       # devenv
       "devenv:docker://ghcr.io/cachix/devenv/devenv:latest"
       # provide native execution on the host
       "nixos:host"
     ];
+    # Packages are intjected into PATH for "nixos:host"
+    hostPackages = with pkgs; [
+      bash
+      coreutils
+      curl
+      gawk
+      gitMinimal
+      nodejs # Required by many standard actions (like actions/checkout)
+      wget
+      nix
+    ];
   };
 
   virtualisation.docker.enable = true;