run most containers and back them up at home

* switch backup from wasabi-s3 to btrfs via ssh
* add srv0 at home
* run webserver and syncthing at home

nix/os/devices/srv0.home-ch.stefanjunker.de/pkg.nix

@@ -0,0 +1,53 @@
+{ config
+, pkgs
+, lib
+, ...
+}:
+
+{
+  nixpkgs.config.packageOverrides = pkgs: with pkgs; {
+    nixPath = (import ../../../default.nix { versionsPath = ./versions.nix; }).nixPath;
+  };
+  home-manager.users.steveej = import ../../../home-manager/configuration/text-minimal.nix { inherit pkgs; };
+
+  nix.buildMachines = [
+    { hostName = "localhost";
+      system = "x86_64-linux";
+      supportedFeatures = ["kvm" "nixos-test" "big-parallel" "benchmark"];
+      maxJobs = 4;
+    }
+  ];
+
+  # services.hydra = {
+  #   enable = false;
+  #   hydraURL = "http://localhost:3000"; # externally visible URL
+  #   notificationSender = "hydra@${config.networking.hostName}.stefanjunker.de"; # e-mail of hydra service
+  #   # a standalone hydra will require you to unset the buildMachinesFiles list to avoid using a nonexistant /etc/nix/machines
+  #   buildMachinesFiles = [];
+  #   # you will probably also want, otherwise *everything* will be built from scratch
+  #   useSubstitutes = true;
+  # };
+
+  # services.gitlab-runner = {
+  #   enable = false;
+
+  #   extraPackages = with pkgs; [
+  #     bash
+  #     gitlab-runner
+  #     nix
+  #     gitFull
+  #     git-crypt
+  #   ];
+
+  #   concurrent = 2;
+  #   checkInterval = 0;
+  #   services = {
+  #     nixRunner = {
+  #       executor = "shell";
+  #       runUntagged = true;
+  #       registrationConfigFile = "/etc/secrets/gitlab-runner/nix-runner.registration";
+  #       tagList = [ "nix" ];
+  #     };
+  #   };
+  # };
+}