Main

Modules/System/Application/cli/podman.nix

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+# Podman (System Module)
+#
+# Provides:
+#   - Podman runtime and CLI
+#   - Podman Compose
+#   - User access via `podman` group
+#
+# Options:
+#   - enable   → Enable Podman system module
+#   - username → User to add to the podman group
+#
+# Notes:
+#   - Adds podman + podman-compose to system packages
+#   - Enables D-Bus socket activation for Podman
+#
+
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.nyx-module.system.podman;
+in
+{
+  options.nyx-module.system.podman = {
+    enable = lib.mkEnableOption "Enable Podman (system module)";
+
+    username = lib.mkOption {
+      type = lib.types.str;
+      example = "alice";
+      description = "User to add to the podman group.";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    virtualisation.podman.enable = true;
+
+    users.users.${cfg.username}.extraGroups = [ "podman" ];
+
+    environment.systemPackages = with pkgs; [
+      podman
+      podman-compose
+    ];
+
+    # Optional: enable Podman socket activation
+    services.dbus.packages = [ pkgs.podman ];
+    
+    assertions = [
+      {
+        assertion = cfg.username != "";
+        message = "nyx-module.system.podman.username must be set to a valid user.";
+      }
+    ];
+  };
+}