1 files changed, 69 insertions, 0 deletions
diff --git a/nixos/modules/services/web-apps/isso.nix b/nixos/modules/services/web-apps/isso.nix
new file mode 100644
index 00000000000..4c01781a6a2
--- /dev/null
+++ b/nixos/modules/services/web-apps/isso.nix
@@ -0,0 +1,69 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkEnableOption mkIf mkOption types literalExpression;
+
+  cfg = config.services.isso;
+
+  settingsFormat = pkgs.formats.ini { };
+  configFile = settingsFormat.generate "isso.conf" cfg.settings;
+in {
+
+  options = {
+    services.isso = {
+      enable = mkEnableOption ''
+        A commenting server similar to Disqus.
+
+        Note: The application's author suppose to run isso behind a reverse proxy.
+        The embedded solution offered by NixOS is also only suitable for small installations
+        below 20 requests per second.
+      '';
+
+      settings = mkOption {
+        description = ''
+          Configuration for <package>isso</package>.
+
+          See <link xlink:href="https://posativ.org/isso/docs/configuration/server/">Isso Server Configuration</link>
+          for supported values.
+        '';
+
+        type = types.submodule {
+          freeformType = settingsFormat.type;
+        };
+
+        example = literalExpression ''
+          {
+            general = {
+              host = "http://localhost";
+            };
+          }
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.isso.settings.general.dbpath = lib.mkDefault "/var/lib/isso/comments.db";
+
+    systemd.services.isso = {
+      description = "isso, a commenting server similar to Disqus";
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = {
+        User = "isso";
+        Group = "isso";
+
+        DynamicUser = true;
+
+        StateDirectory = "isso";
+
+        ExecStart = ''
+          ${pkgs.isso}/bin/isso -c ${configFile}
+        '';
+
+        Restart = "on-failure";
+        RestartSec = 1;
+      };
+    };
+  };
+}