Add readeck service.

common/services/readeck.nix

@@ -0,0 +1,49 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) types mkEnableOption mkIf mkOption;
+
+  cfg = config.foehammer.services.readeck;
+in {
+  options.foehammer.services.readeck = {
+    enable = mkEnableOption "Enable readeck server";
+
+    port = mkOption {
+      type = lib.types.port;
+      default = 8224;
+      description = ''
+        What external port to serve over.
+      '';
+    };
+
+    envFile = mkOption {
+      type = types.nullOr types.path;
+    };
+
+    domain = mkOption {
+      type = types.str;
+      description = ''
+        Readeck's domain.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.readeck = {
+      enable = true;
+      environmentFile = cfg.envFile;
+      settings = {
+        server = {
+          port = cfg.port;
+          base_url = cfg.domain;
+        };
+        extractor = {
+          workers = 2;
+        };
+      };
+    };
+  };
+}