refactor(element): move from docker to nixos package

hosts/hera/conduit.nix

@@ -1,9 +1,55 @@
 # Configuration for Conduit (Matrix Homeserver) on Hera
-{config, ...}: let
+{
+  config,
+  pkgs,
+  ...
+}: let
   domainConduit = "m.diogotc.com";
   portConduit = 6167;
   domainElement = "chat.diogotc.com";
-  portElement = 8012;
+
+  # https://web-docs.element.dev/Element%20Web/config.html
+  elementConfig = {
+    default_server_name = "diogotc.com";
+    disable_custom_urls = true;
+    disable_guests = true;
+    disable_login_language_selector = false;
+    disable_3pid = true;
+    brand = "DTC Element";
+
+    integrations_ui_url = "https://scalar.vector.im/";
+    integrations_rest_url = "https://scalar.vector.im/api";
+    integrations_widgets_urls = [
+      "https://scalar.vector.im/_matrix/integrations/v1"
+      "https://scalar.vector.im/api"
+      "https://scalar-staging.vector.im/_matrix/integrations/v1"
+      "https://scalar-staging.vector.im/api"
+      "https://scalar-staging.riot.im/scalar/api"
+    ];
+    integrations_jitsi_widget_url = "https://scalar.vector.im/api/widgets/jitsi.html";
+
+    default_country_code = "PT";
+
+    show_labs_settings = true;
+    features = {};
+    default_federate = true;
+    default_theme = "dark";
+    room_directory = {
+      servers = ["diogotc.com"];
+    };
+    setting_defaults = {
+      breadcrumbs = true;
+    };
+    jitsi = {
+      preferred_domain = "meet.element.io";
+    };
+    element_call = {
+      url = "https://call.element.io";
+      participant_limit = 8;
+      brand = "Element Call";
+    };
+    map_style_url = "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx";
+  };
 in {
   # TODO move docker containers to NixOS services
 
@@ -23,12 +69,15 @@ in {
         }
       '';
     };
-    ${domainElement} = {
+    ${domainElement} = let
+      elementPkg = pkgs.element-web.override {
+        conf = elementConfig;
+      };
+    in {
       enableACME = true;
       extraConfig = ''
-        reverse_proxy localhost:${toString portElement} {
-          import CLOUDFLARE_PROXY
-        }
+        root ${elementPkg}
+        file_server
       '';
     };
   };