chore(gustave): intro readeck

modules/readeck/default.nix

@@ -0,0 +1,71 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+with lib;
+
+let
+  cfg = config.services.readeck;
+in
+{
+
+  meta.maintainers = [ lib.maintainers.julienmalka ];
+
+  options = {
+    services.readeck = {
+      enable = mkEnableOption "Readeck";
+
+      package = mkPackageOption pkgs "readeck" { };
+
+      configPath = mkOption {
+        type = with types; nullOr str;
+        default = null;
+        description = "Path to file containing config.";
+      };
+
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.readeck = {
+      description = "Readeck";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        Type = "simple";
+        StateDirectory = "readeck";
+        LoadCredential = "config:${cfg.configPath}";
+        WorkingDirectory = "/var/lib/readeck";
+        DynamicUser = true;
+        ExecStart = "${lib.getExe cfg.package} serve -config \${CREDENTIALS_DIRECTORY}/config";
+        ProtectSystem = "full";
+        SystemCallArchitectures = "native";
+        MemoryDenyWriteExecute = true;
+        NoNewPrivileges = true;
+        PrivateTmp = true;
+        PrivateDevices = true;
+        RestrictAddressFamilies = [
+          "AF_INET"
+          "AF_INET6"
+          "AF_UNIX"
+          "AF_NETLINK"
+        ];
+        RestrictNamespaces = true;
+        RestrictRealtime = true;
+        DevicePolicy = "closed";
+        ProtectClock = true;
+        ProtectHostname = true;
+        ProtectProc = "invisible";
+        ProtectControlGroups = true;
+        ProtectKernelModules = true;
+        ProtectKernelTunables = true;
+        LockPersonality = true;
+        Restart = "on-failure";
+
+      };
+    };
+  };
+}