Enable hedgedoc on alto

modules/system/hedgedoc/backups.nix

@@ -0,0 +1,36 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+{
+  options.myConfig.hedgedoc.backups.enable = lib.mkEnableOption "";
+
+  config = lib.mkIf config.myConfig.hedgedoc.backups.enable {
+    myConfig.resticBackup.hedgedoc = {
+      healthchecks.enable = true;
+
+      extraConfig = {
+        backupPrepareCommand = ''
+          ${lib.getExe' pkgs.systemd "systemctl"} stop hedgedoc.service
+        '';
+        backupCleanupCommand = ''
+          ${lib.getExe' pkgs.systemd "systemctl"} start hedgedoc.service
+        '';
+        paths = [ "/var/lib/hedgedoc" ];
+      };
+    };
+
+    environment.systemPackages = [
+      (pkgs.writeShellApplication {
+        name = "hedgedoc-restore";
+        text = ''
+          sudo systemctl stop hedgedoc.service
+          sudo restic-hedgedoc restore --target / latest
+          sudo systemctl start hedgedoc.service
+        '';
+      })
+    ];
+  };
+}

modules/system/hedgedoc/default.nix

@@ -0,0 +1,60 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  cfg = config.myConfig.hedgedoc;
+
+  user = config.users.users.hedgedoc.name;
+  inherit (config.users.users.hedgedoc) group;
+
+  manage_users = "CMD_CONFIG_FILE=/run/hedgedoc/config.json NODE_ENV=production ${lib.getExe' pkgs.hedgedoc "manage_users"}";
+in
+{
+  options.myConfig.hedgedoc = {
+    enable = lib.mkEnableOption "";
+    subdomain = lib.mkOption {
+      type = lib.types.nonEmptyStr;
+      default = "";
+    };
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 3000;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.hedgedoc = {
+      enable = true;
+
+      settings = {
+        domain = "${cfg.subdomain}.${config.networking.domain}";
+        port = cfg.port;
+        protocolUseSSL = true;
+
+        allowAnonymous = false;
+        allowEmailRegister = false;
+        defaultPermission = "limited";
+      };
+    };
+
+    sops.secrets."hedgedoc/seb-password" = {
+      owner = user;
+      inherit group;
+    };
+
+    systemd.services.hedgedoc.postStart =
+      let
+        manageUserSeb =
+          mode:
+          "${manage_users} --${mode} sebastian.stork@pm.me --pass \"$(cat ${
+            config.sops.secrets."hedgedoc/seb-password".path
+          })\"";
+      in
+      "${manageUserSeb "add"} || ${manageUserSeb "reset"}";
+
+    environment.shellAliases.hedgedoc-manage-users = "sudo --user=${user} ${manage_users}";
+  };
+}