Add rpi3

flake.nix

@@ -72,5 +72,51 @@
 
         ];
     };
+
+    nixosConfigurations.rpi3 = nixpkgs.lib.nixosSystem {
+      system = "aarch64-linux";
+      modules =
+        [
+          (
+            { pkgs, ... }: {
+              networking.hostName = "rpi3";
+
+              nix.registry.nixpkgs.flake = nixpkgs;
+
+              boot.loader.grub.enable = false;
+              boot.loader.generic-extlinux-compatible.enable = true;
+              boot.kernelParams = [ "cma=256M" ];
+
+              fileSystems."/" =
+                {
+                  device = "/dev/disk/by-label/NIXOS_SD";
+                  fsType = "ext4";
+                };
+
+              swapDevices = [{ device = "/swapfile"; size = 1024; }];
+
+              services.openssh.enable = true;
+              users.users.root.openssh.authorizedKeys.keyFiles = [
+                ./ssh_keys/phfroidmont-desktop.pub
+                ./ssh_keys/phfroidmont-laptop.pub
+              ];
+
+              services.adguardhome = {
+                enable = true;
+              };
+
+              networking.firewall.allowedTCPPorts = [ 53 80 ];
+              networking.firewall.allowedUDPPorts = [ 53 ];
+
+              environment.systemPackages = with pkgs; [
+                vim
+                htop
+              ];
+
+              system.stateVersion = "22.05";
+            }
+          )
+        ];
+    };
   };
 }

modules/system.nix

@@ -79,4 +79,6 @@
 
   # Required for custom GTK themes
   services.dbus.packages = with pkgs; [ dconf ];
+
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
 }

ssh_keys/gitlab-ci.pub

@@ -0,0 +1 @@
+ssh-rsa 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 gitlab-ci-2021-08-30

ssh_keys/phfroidmont-desktop.pub

@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDMPhCld0dsDzpdkMvPRdiwd6IX8HF8Mb2V6uQzBl8/syeny8FbZxlZR8gk39RGxNYcLaZ+nA50DS6mOIplXCGdtozfw0Vm+FdITN3apMufWIdobG7Igs1vxKBBbkAb5lwxkEFUCUMzPdCLFHd5zabVH0WE42Be8+hYPLd5W/ikPCOgxRaGwryHHroxRMdkD3PcNE8upSEMdGl51pzgXhO6Fcig8UokOYHxV92SiQ0KEsCbc+oe8e9Gkr7g78tz+6YcTYLY2p2ygR7Vrh/WyTaUVnrNNqL8NIqp+Lc2kVtnqGXHFBJ0Wggaly+AeKWygy+dnOMEGSirhQ6/dUcB/Phz phfroidmont@archdesktop-2017-07-31

ssh_keys/phfroidmont-laptop.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILu2vaezsTNaTY8X4o2mFOmQguPnSAMOoPZRlW2ACAku froidmpa@froidmpa-laptop-2021-06-30