added a basic hydra

flake.nix

@@ -1,5 +1,6 @@
 {
-  description = "My nix setup"; inputs = {
+  description = "My nix setup";
+  inputs = {
     nixpkgs = {
       url = "github:nixos/nixpkgs/nixos-unstable";
     };
@@ -63,7 +64,7 @@
   };
 
   outputs =
-    {  self
+    { self
     , nixpkgs
     , home-manager
     , nix-index-database
@@ -77,6 +78,7 @@
     , ...
     }@attrs: {
       packages.x86_64-linux.default = self.nixosConfigurations.iso.config.system.build.isoImage;
+      hydraJobs.x86_64-linux.default = self.packages.x86_64-linux.default;
       formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixpkgs-fmt;
       nixosConfigurations = {
         thinkpad = nixpkgs.lib.nixosSystem {

hosts/nuc/default.nix

@@ -8,6 +8,7 @@
       ./modules/adguard
       ./modules/networks
       ./modules/backup
+      ./modules/hydra
       ./modules/nextcloud
       ./modules/vaultwarden
       ./modules/nginx
@@ -21,6 +22,10 @@
     tmp.useTmpfs = true;
   };
   services.btrfs.autoScrub.enable = true;
+  nix.settings = {
+    cores = 3;
+    auto-optimise-store = true;
+  };
 
   time.timeZone = "Europe/Berlin";
 

hosts/nuc/modules/hydra/default.nix

@@ -0,0 +1,19 @@
+{ config, ... }:
+let
+  domain = "hydra.rfive.de";
+in
+{
+  services.hydra = {
+    enable = true;
+    port = 4000;
+    hydraURL = domain;
+    notificationSender = "hydra@localhost";
+  };
+  services.nginx.virtualHosts."${domain}" = {
+    enableACME = true;
+    forceSSL = true;
+    locations."/" = {
+      proxyPass = "http://127.0.0.1:${toString config.services.hydra.port}";
+    };
+  };
+}

hosts/thinkpad/default.nix

@@ -20,7 +20,6 @@
   };
 
   nix.settings = {
-    # cores = 6; # don't clutter the whole system when compiling stuff
     auto-optimise-store = true;
   };