Makefile: added Makefile for testing

Makefile

@@ -0,0 +1,52 @@
+####
+# Target definitions
+####
+
+# Disable echoing of target recipe commands
+# Comment this for debugging
+.SILENT:
+
+# Run target recipes in one shell invocation
+.ONESHELL:
+
+# Since all targets are phony, all targets should be listed here
+# One target per line
+.PHONY: boot-vm-cli \
+	boot-vm-gui \
+	build-vm \
+	clean \
+	format-nix-files \
+	help
+
+# Show the help text
+help:
+	egrep -h '\s##\s' $(MAKEFILE_LIST) \
+		| sort \
+		| awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
+
+
+format-nix-files: ## Format nix files using the nixpkgs-fmt tool
+	find . -name "*.nix" -exec nixpkgs-fmt {} \;
+
+clean: ## Clean build artifacts and shutdown running virtual machines
+	rm result > /dev/null 2>&1
+	rm nixos.qcow2 > /dev/null 2>&1
+	pkill qemu
+	exit 0
+
+build-vm: clean ## Build virtual machine for testing
+	nix build ".#nixosConfigurations.vm.config.system.build.vm"
+
+boot-vm-cli: ## Run virtual machine in current terminal
+	QEMU_KERNEL_PARAMS=console=ttyS0 \
+	QEMU_NET_OPTS=hostfwd=tcp::8080-:80 \
+	QEMU_OPTS=-nographic \
+	./result/bin/run-nixos-vm
+	reset
+
+boot-vm-gui: ## Run virtual machine in QEMU window
+	QEMU_KERNEL_PARAMS=console=ttyS0 \
+	QEMU_NET_OPTS=hostfwd=tcp::8080-:80 \
+	./result/bin/run-nixos-vm
+	reset
+

vm/default.nix

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+{ modulesPath, pkgs, ... }:
+
+{
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+    ../nixos-module/invoiceninja.nix
+  ];
+
+  system.stateVersion = "24.11";
+
+  nixpkgs.config.allowUnfree = true;
+
+  users.users.test = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ];
+    initialPassword = "test";
+  };
+
+  environment.systemPackages = with pkgs; [
+    invoiceninja-desktop
+  ];
+
+  services.xserver.desktopManager.lxqt.enable = true;
+
+  programs.chromium.enable = true;
+
+  networking.firewall.enable = false;
+
+  services.resolved.enable = true;
+}
+