From 86bec559e6f02c8c5c51ef5bf117cceece7b3a8d Mon Sep 17 00:00:00 2001
From: JuliusFreudenberger <julius+git@jfreudenberger.de>
Date: Sun, 29 Mar 2026 21:00:09 +0200
Subject: [PATCH] Add busch-main-docker server

---
 flake.nix                                     | 14 +++++++
 hosts/busch-main-docker/default.nix           | 42 +++++++++++++++++++
 .../hardware-configuration.nix                | 17 ++++++++
 modules/disko/legacy-full-ext4.nix            | 28 +++++++++++++
 4 files changed, 101 insertions(+)
 create mode 100644 hosts/busch-main-docker/default.nix
 create mode 100644 hosts/busch-main-docker/hardware-configuration.nix
 create mode 100644 modules/disko/legacy-full-ext4.nix

diff --git a/flake.nix b/flake.nix
index 04be147..0d1fcc0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -135,6 +135,20 @@
         ];
       };
 
+      busch-main-docker = nixpkgs.lib.nixosSystem rec {
+        system = "x86_64-linux";
+
+        specialArgs = {
+          inherit inputs outputs;
+        };
+
+        modules = [
+          ./hosts/busch-main-docker
+          disko.nixosModules.disko
+          agenix.nixosModules.default
+        ];
+      };
+
       srv01-hf = nixpkgs.lib.nixosSystem rec {
         system = "x86_64-linux";
 
diff --git a/hosts/busch-main-docker/default.nix b/hosts/busch-main-docker/default.nix
new file mode 100644
index 0000000..42b93a4
--- /dev/null
+++ b/hosts/busch-main-docker/default.nix
@@ -0,0 +1,42 @@
+{ inputs, outputs, config, lib, pkgs, ... }:
+
+{
+  imports =
+    [
+      ../../modules/disko/legacy-full-ext4.nix
+
+      ../../users/julius/nixos-server.nix
+      ../../modules/nix.nix
+      ../../modules/auto-upgrade.nix
+      ../../modules/locale.nix
+      ../../modules/server-cli.nix
+      ../../modules/sshd.nix
+      ../../modules/docker.nix
+      "${inputs.secrets}/modules/opkssh.nix"
+
+      # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+  # Use the GRUB 2 boot loader.
+  boot = {
+    loader.grub = {
+      enable = true;
+    };
+    tmp.useTmpfs = true;
+  };
+  networking.hostName = "docker-main"; # Define your hostname.
+
+  # This option defines the first version of NixOS you have installed on this particular machine,
+  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+  # Most users should NEVER change this value after the initial install, for any reason,
+  # even if you've upgraded your system to a new NixOS release.
+  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
+  # to actually do that.
+  # This value being lower than the current NixOS release does NOT mean your system is
+  # out of date, out of support, or vulnerable.
+  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+  # and migrated your data accordingly.
+  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+  system.stateVersion = "25.05"; # Did you read the comment?
+}
diff --git a/hosts/busch-main-docker/hardware-configuration.nix b/hosts/busch-main-docker/hardware-configuration.nix
new file mode 100644
index 0000000..54932ff
--- /dev/null
+++ b/hosts/busch-main-docker/hardware-configuration.nix
@@ -0,0 +1,17 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}
diff --git a/modules/disko/legacy-full-ext4.nix b/modules/disko/legacy-full-ext4.nix
new file mode 100644
index 0000000..3cb3094
--- /dev/null
+++ b/modules/disko/legacy-full-ext4.nix
@@ -0,0 +1,28 @@
+{
+  disko.devices = {
+    disk = {
+      sda = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions = {
+            MBR = {
+              type = "EF02"; # for grub MBR
+              size = "1M";
+              priority = 1; # Needs to be first partition
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}