Add ThinkNix config

ThinkNix/configuration.nix

@@ -0,0 +1,294 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+{
+  config,
+  pkgs,
+  ...
+}: {
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+    <home-manager/nixos>
+
+    # DNS (required for internet)
+    ./services/adguard.nix
+    # ./services/pihole.nix
+
+    # General
+    # ./services/kopia.nix
+    ./services/nginx-proxy-manager.nix
+    ./services/portainer.nix
+  ];
+
+  # Bootloader.
+  boot = {
+    loader.grub.enable = true;
+    loader.grub.device = "/dev/sda";
+    loader.grub.useOSProber = true;
+
+    # NOTE: I think this needs a separate EFI partition?
+    # loader.systemd-boot = {
+    #   enable = true;
+    #   configurationLimit = 5;
+    #   editor = false;
+    #   # canTouchEfiVariables = true;
+    #   # efiSysMountPoint = "/boot";
+    # };
+  };
+
+  # hardware = {
+  #   opengl = {
+  #     enable = true;
+  #     driSupport = true;
+  #     driSupport32Bit = true;
+  #   };
+
+  #   nvidia = {
+  #     modesetting.enable = true;
+  #     powerManagement.enable = false; # Experimental option, maybe this is the reason fileflows fails after some time?
+  #     open = false;
+  #     nvidiaSettings = false;
+  #   };
+  # };
+
+  networking = {
+    hostName = "thinknix"; # Define your hostname.
+    # wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+    # Configure network proxy if necessary
+    # proxy.default = "http://user:password@proxy:port/";
+    # proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+    # Enable networking
+    networkmanager.enable = true;
+
+    interfaces.ens18.ipv4.addresses = [{
+      address = "192.168.86.26";
+      prefixLength = 24;
+    }];
+    defaultGateway = "192.168.86.5";
+    nameservers = [
+      "127.0.0.1"
+      # "192.168.86.25"
+      # "8.8.8.8"
+    ];
+  };
+
+  systemd.services.init-behind-nginx-docker-network = {
+    description = "Create a docker network bridge for all services behind nginx-proxy-manager.";
+    after = [ "network.target" ];
+    wantedBy = [ "multi-user.target" ];
+  
+    serviceConfig.Type = "oneshot";
+    script = let
+      dockercli = "${config.virtualisation.docker.package}/bin/docker";
+      network = "behind-nginx";
+    in ''
+      # Put a true at the end to prevent getting non-zero return code, which will
+      # crash the whole service.
+      check=$(${dockercli} network ls | grep ${network} || true)
+      if [ -z "$check" ]; then
+        # TODO: Disable IP masquerading to show individual containers in AdGuard/Pi-Hole
+        #       - Disabling this prevents containers from having internet connection. DNS issue?
+        # ${dockercli} network create -o "com.docker.network.bridge.enable_ip_masquerade"="false" ${network}
+
+        ${dockercli} network create ${network}
+      else
+        echo "${network} already exists in docker"
+      fi
+    '';
+  };
+
+  # Set your time zone.
+  time.timeZone = "Europe/Berlin";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_DE.UTF-8";
+    LC_IDENTIFICATION = "de_DE.UTF-8";
+    LC_MEASUREMENT = "de_DE.UTF-8";
+    LC_MONETARY = "de_DE.UTF-8";
+    LC_NAME = "de_DE.UTF-8";
+    LC_NUMERIC = "de_DE.UTF-8";
+    LC_PAPER = "de_DE.UTF-8";
+    LC_TELEPHONE = "de_DE.UTF-8";
+    LC_TIME = "de_DE.UTF-8";
+  };
+
+  # Configure console keymap
+  console.keyMap = "us-acentos";
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.christoph = {
+    isNormalUser = true;
+    description = "Christoph";
+    extraGroups = ["networkmanager" "wheel" "docker"];
+    shell = pkgs.fish;
+    packages = with pkgs; [];
+  };
+
+  users.users.git = {
+    uid = 500;
+    group = "git";
+    isNormalUser = false;
+    isSystemUser = true;
+    description = "Gitea User";
+    extraGroups = ["docker"];
+    shell = pkgs.fish;
+  };
+
+  home-manager.users.christoph = {pkgs, ...}: {
+    home.packages = with pkgs; [
+      lazygit
+      keychain
+      alejandra
+      nnn
+      busybox
+      glances
+      ripgrep
+
+      docker-compose
+    ];
+
+    programs = {
+      fish = {
+        enable = true;
+      };
+
+      git = {
+        enable = true;
+        userEmail = "christoph.urlacher@protonmail.com";
+        userName = "Christoph Urlacher";
+      };
+
+      keychain = {
+        enable = true;
+        enableFishIntegration = true;
+        agents = ["ssh"];
+        keys = ["id_ed25519"];
+      };
+
+      starship = {
+        enable = true;
+        enableFishIntegration = true;
+      };
+
+      yt-dlp = {
+        enable = true;
+      };
+    };
+
+    home.stateVersion = "23.05";
+  };
+
+  virtualisation = {
+    docker = {
+      enable = true;
+      autoPrune.enable = true;
+      # enableNvidia = true;
+      # rootless = {
+      #   enable = true;
+      #   setSocketVariable = true;
+      # };
+      daemon.settings = {
+        dns = [
+          # TODO: Does this circumvent my DNS for each container?
+          #       It might improve gitea actions though...
+          "8.8.8.8"
+
+          # TODO: Might prevent containers from having DNS?
+          # "127.0.0.1"
+          # "192.168.86.25"
+        ];
+      };
+    };
+    oci-containers.backend = "docker";
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    wget
+    helix
+    git
+  ];
+
+  programs = {
+    firejail.enable = true;
+    fish.enable = true;
+    git.enable = true;
+    neovim.enable = true;
+    # fuse.userAllowOther = true;
+  };
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  services = {
+    # Configure keymap in X11
+    xserver = {
+      layout = "us";
+      xkbVariant = "altgr-intl";
+      # videoDrivers = ["nvidia"];
+    };
+
+    # Trims the journal if it gets too large
+    journald.extraConfig = ''
+      SystemMaxUse=50M
+    '';
+
+    # Enable the OpenSSH daemon.
+    openssh.enable = true;
+
+    ntp.enable = true;
+    qemuGuest.enable = true;
+    # TODO: Might prevent containers from having working DNS
+    # resolved.fallbackDns = ["8.8.8.8"];
+  };
+
+  networking.firewall = {
+    # Open ports in the firewall.
+    allowedTCPPorts = [
+      # PiHole requires these ports, as it's running in --net=host mode
+      53
+      80
+
+      # 3000 # Gitea runner needs to reach local gitea instance
+    ];
+    allowedUDPPorts = [
+      # PiHole requires these ports, as it's running in --net=host mode
+      53
+      67 # PiHole DHCP
+
+      # 3000 # Gitea runner needs to reach local gitea instance
+    ];
+    # Or disable the firewall altogether.
+    enable = true;
+
+    trustedInterfaces = [
+      "docker0"
+    ];
+  };
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.05"; # Did you read the comment?
+}