Initial commit

flake.nix

@@ -0,0 +1,65 @@
+# Build with: 
+#   nix build -L .#packages.aarch64-linux.sdcard
+
+{
+  description = "Base system for raspberry pi 4";
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
+    nixos-generators = {
+      url = "github:nix-community/nixos-generators";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, nixos-generators, ... }: 
+  {
+    nixosModules = {
+      system = {
+        networking.hostName = "nixos-pi4";
+
+        services.openssh = {
+          enable = true;
+          settings = {
+            PermitRootLogin = "no";
+            PasswordAuthentication = true;
+          };
+        };
+
+        zramSwap.enable = true;
+        zramSwap.algorithm = "zstd";
+        zramSwap.memoryPercent = 200;
+
+        # Disabling the whole `profiles/base.nix` module, which is responsible
+        # for adding ZFS and a bunch of other unnecessary programs:
+        disabledModules = [
+          "profiles/base.nix"
+        ];
+
+        system.stateVersion = "23.11";
+      };
+      users = {
+        users.users = {
+          lauren_lagarde = {
+            isNormalUser = true;
+            extraGroups = [ "wheel" ];
+            hashedPassword = "$y$j9T$vMFQoTCECmj5tTo9zQw5c.$UcPOVWR/YmlwmZNKkWpUI4ID3OsetfmR6jSTD0j1gKB";
+            openssh.authorizedKeys.keys = [
+              "ssh-rsa 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 cardno:000613461973"
+            ];
+          };
+        };
+      };
+    };
+
+    packages.aarch64-linux = {
+      sdcard = nixos-generators.nixosGenerate {
+        system = "aarch64-linux";
+        format = "sd-aarch64";
+        modules = [
+          self.nixosModules.system
+          self.nixosModules.users
+        ];
+      };
+    };
+  };
+}