diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 3a06694130bc65..3c8f1f6a1d3e42 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -1085,6 +1085,7 @@
   ./services/web-apps/nifi.nix
   ./services/web-apps/node-red.nix
   ./services/web-apps/phylactery.nix
+  ./services/web-apps/onlyoffice.nix
   ./services/web-apps/pict-rs.nix
   ./services/web-apps/peertube.nix
   ./services/web-apps/plantuml-server.nix
diff --git a/nixos/modules/services/web-apps/onlyoffice.nix b/nixos/modules/services/web-apps/onlyoffice.nix
new file mode 100644
index 00000000000000..ce6a3e835e3b31
--- /dev/null
+++ b/nixos/modules/services/web-apps/onlyoffice.nix
@@ -0,0 +1,288 @@
+{ lib, config, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.onlyoffice;
+in
+{
+  options.services.onlyoffice = {
+    enable = mkEnableOption "OnlyOffice DocumentServer";
+
+    enableExampleServer = mkEnableOption "OnlyOffice example server";
+
+    hostname = mkOption {
+      type = types.str;
+      default = "localhost";
+      description = "FQDN for the onlyoffice instance.";
+    };
+
+    jwtSecretFile = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = ''
+        Path to a file that contains the secret to sign web requests using JSON Web Tokens.
+        If left at the default value null signing is disabled.
+      '';
+    };
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.onlyoffice-documentserver;
+      defaultText = "pkgs.onlyoffice-documentserver";
+      description = "Which package to use for the OnlyOffice instance.";
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 8000;
+      description = "Port the OnlyOffice DocumentServer should listens on.";
+    };
+
+    examplePort = mkOption {
+      type = types.port;
+      default = null;
+      description = "Port the OnlyOffice Example server should listens on.";
+    };
+
+    postgresHost = mkOption {
+      type = types.str;
+      default = "/run/postgresql";
+      description = "The Postgresql hostname or socket path OnlyOffice should connect to.";
+    };
+
+    postgresName = mkOption {
+      type = types.str;
+      default = "onlyoffice";
+      description = "The name of databse OnlyOffice should user.";
+    };
+
+    postgresPasswordFile = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = ''
+        Path to a file that contains the password OnlyOffice should use to connect to Postgresql.
+        Unused when using socket authentication.
+      '';
+    };
+
+    postgresUser = mkOption {
+      type = types.str;
+      default = "onlyoffice";
+      description = ''
+        The username OnlyOffice should use to connect to Postgresql.
+        Unused when using socket authentication.
+      '';
+    };
+
+    rabbitmqUrl = mkOption {
+      type = types.str;
+      default = "amqp://guest:guest@localhost:5672";
+      description = "The Rabbitmq in amqp URI style OnlyOffice should connect to.";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services = {
+      nginx = {
+        enable = mkDefault true;
+        # misses text/csv, font/ttf, application/x-font-ttf, application/rtf, application/wasm
+        recommendedGzipSettings = mkDefault true;
+        recommendedProxySettings = mkDefault true;
+
+        upstreams = {
+          # /etc/nginx/includes/http-common.conf
+          onlyoffice-docservice = {
+            servers = { "localhost:${toString cfg.port}" = { }; };
+          };
+          onlyoffice-example = lib.mkIf cfg.enableExampleServer {
+            servers = { "localhost:${toString cfg.examplePort}" = { }; };
+          };
+        };
+
+        virtualHosts.${cfg.hostname} = {
+          locations = {
+            # /etc/nginx/includes/ds-docservice.conf
+            "~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+)?\/(web-apps\/apps\/api\/documents\/api\.js)$".extraConfig = ''
+              expires -1;
+              alias ${cfg.package}/var/www/onlyoffice/documentserver/$2;
+            '';
+            "~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+)?\/(web-apps)(\/.*\.json)$".extraConfig = ''
+              expires 365d;
+              error_log /dev/null crit;
+              alias ${cfg.package}/var/www/onlyoffice/documentserver/$2$3;
+            '';
+            "~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+)?\/(sdkjs-plugins)(\/.*\.json)$".extraConfig = ''
+              expires 365d;
+              error_log /dev/null crit;
+              alias ${cfg.package}/var/www/onlyoffice/documentserver/$2$3;
+            '';
+            "~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+)?\/(web-apps|sdkjs|sdkjs-plugins|fonts)(\/.*)$".extraConfig = ''
+              expires 365d;
+              alias ${cfg.package}/var/www/onlyoffice/documentserver/$2$3;
+            '';
+            "~* ^(\/cache\/files.*)(\/.*)".extraConfig = ''
+              alias /var/lib/onlyoffice/documentserver/App_Data$1;
+              add_header Content-Disposition "attachment; filename*=UTF-8''$arg_filename";
+
+              set $secret_string verysecretstring;
+              secure_link $arg_md5,$arg_expires;
+              secure_link_md5 "$secure_link_expires$uri$secret_string";
+
+              if ($secure_link = "") {
+                return 403;
+              }
+
+              if ($secure_link = "0") {
+                return 410;
+              }
+            '';
+            "~* ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+)?\/(internal)(\/.*)$".extraConfig = ''
+              allow 127.0.0.1;
+              deny all;
+              proxy_pass http://onlyoffice-docservice/$2$3;
+            '';
+            "~* ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+)?\/(info)(\/.*)$".extraConfig = ''
+              allow 127.0.0.1;
+              deny all;
+              proxy_pass http://onlyoffice-docservice/$2$3;
+            '';
+            "/".extraConfig = ''
+              proxy_pass http://onlyoffice-docservice;
+            '';
+            "~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+)?(\/doc\/.*)".extraConfig = ''
+              proxy_pass http://onlyoffice-docservice$2;
+              proxy_http_version 1.1;
+            '';
+            "/${cfg.package.version}/".extraConfig = ''
+              proxy_pass http://onlyoffice-docservice/;
+            '';
+            "~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+)?\/(dictionaries)(\/.*)$".extraConfig = ''
+              expires 365d;
+              alias ${cfg.package}/var/www/onlyoffice/documentserver/$2$3;
+            '';
+            # /etc/nginx/includes/ds-example.conf
+            "~ ^(\/welcome\/.*)$".extraConfig = ''
+              expires 365d;
+              alias ${cfg.package}/var/www/onlyoffice/documentserver-example$1;
+              index docker.html;
+            '';
+            "/example/".extraConfig = lib.mkIf cfg.enableExampleServer ''
+              proxy_pass http://onlyoffice-example/;
+              proxy_set_header X-Forwarded-Path /example;
+            '';
+          };
+          extraConfig = ''
+            rewrite ^/$ /welcome/ redirect;
+            rewrite ^\/OfficeWeb(\/apps\/.*)$ /${cfg.package.version}/web-apps$1 redirect;
+            rewrite ^(\/web-apps\/apps\/(?!api\/).*)$ /${cfg.package.version}$1 redirect;
+
+            # based on https://github.com/ONLYOFFICE/document-server-package/blob/master/common/documentserver/nginx/includes/http-common.conf.m4#L29-L34
+            # without variable indirection and correct variable names
+            proxy_set_header Host $host;
+            proxy_set_header X-Forwarded-Host $host;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            # required for CSP to take effect
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            # required for websocket
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection $connection_upgrade;
+          '';
+        };
+      };
+
+      rabbitmq.enable = lib.mkDefault true;
+
+      postgresql = {
+        enable = lib.mkDefault true;
+        ensureDatabases = [ "onlyoffice" ];
+        ensureUsers = [{
+          name = "onlyoffice";
+          ensurePermissions = { "DATABASE \"onlyoffice\"" = "ALL PRIVILEGES"; };
+        }];
+      };
+    };
+
+    systemd.services = {
+      onlyoffice-converter = {
+        description = "onlyoffice converter";
+        after = [ "network.target" "onlyoffice-docservice.service" "postgresql.service" ];
+        requires = [ "network.target" "onlyoffice-docservice.service" "postgresql.service" ];
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig = {
+          ExecStart = "${cfg.package.fhs}/bin/onlyoffice-wrapper FileConverter/converter /run/onlyoffice/config";
+          Group = "onlyoffice";
+          Restart = "always";
+          RuntimeDirectory = "onlyoffice";
+          StateDirectory = "onlyoffice";
+          Type = "simple";
+          User = "onlyoffice";
+        };
+      };
+
+      onlyoffice-docservice =
+        let
+          onlyoffice-prestart = pkgs.writeShellScript "onlyoffice-prestart" ''
+            PATH=$PATH:${lib.makeBinPath (with pkgs; [ jq moreutils config.services.postgresql.package ])}
+            umask 077
+            mkdir -p /run/onlyoffice/config/ /var/lib/onlyoffice/documentserver/sdkjs/{slide/themes,common}/ /var/lib/onlyoffice/documentserver/{fonts,server/FileConverter/bin}/
+            cp -r ${cfg.package}/etc/onlyoffice/documentserver/* /run/onlyoffice/config/
+            chmod u+w /run/onlyoffice/config/default.json
+
+            cp /run/onlyoffice/config/default.json{,.orig}
+
+            # for a mapping of environment variables from the docker container to json options see
+            # https://github.com/ONLYOFFICE/Docker-DocumentServer/blob/master/run-document-server.sh
+            jq '
+              .services.CoAuthoring.server.port = ${toString cfg.port} |
+              .services.CoAuthoring.sql.dbHost = "${cfg.postgresHost}" |
+              .services.CoAuthoring.sql.dbName = "${cfg.postgresName}" |
+            ${lib.optionalString (cfg.postgresPasswordFile != null) ''
+              .services.CoAuthoring.sql.dbPass = "'"$(cat ${cfg.postgresPasswordFile})"'" |
+            ''}
+              .services.CoAuthoring.sql.dbUser = "${cfg.postgresUser}" |
+            ${lib.optionalString (cfg.jwtSecretFile != null) ''
+              .services.CoAuthoring.token.enable.browser = true |
+              .services.CoAuthoring.token.enable.request.inbox = true |
+              .services.CoAuthoring.token.enable.request.outbox = true |
+              .services.CoAuthoring.secret.inbox.string = "'"$(cat ${cfg.jwtSecretFile})"'" |
+              .services.CoAuthoring.secret.outbox.string = "'"$(cat ${cfg.jwtSecretFile})"'" |
+              .services.CoAuthoring.secret.session.string = "'"$(cat ${cfg.jwtSecretFile})"'" |
+            ''}
+              .rabbitmq.url = "${cfg.rabbitmqUrl}"
+              ' /run/onlyoffice/config/default.json | sponge /run/onlyoffice/config/default.json
+
+            if ! psql -d onlyoffice -c "SELECT 'task_result'::regclass;" >/dev/null; then
+              psql -f ${cfg.package}/var/www/onlyoffice/documentserver/server/schema/postgresql/createdb.sql
+            fi
+          '';
+        in
+        {
+          description = "onlyoffice documentserver";
+          after = [ "network.target" "postgresql.service" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+          serviceConfig = {
+            ExecStart = "${cfg.package.fhs}/bin/onlyoffice-wrapper DocService/docservice /run/onlyoffice/config";
+            ExecStartPre = onlyoffice-prestart;
+            Group = "onlyoffice";
+            Restart = "always";
+            RuntimeDirectory = "onlyoffice";
+            StateDirectory = "onlyoffice";
+            Type = "simple";
+            User = "onlyoffice";
+          };
+        };
+    };
+
+    users.users = {
+      onlyoffice = {
+        description = "OnlyOffice Service";
+        group = "onlyoffice";
+        isSystemUser = true;
+      };
+    };
+
+    users.groups.onlyoffice = { };
+  };
+}