diff --git a/server.js b/server.js
index 97b16bb..65064c2 100644
--- a/server.js
+++ b/server.js
@@ -14,6 +14,9 @@ const path = require("path");
 
 const VERSION = "1.0.0";
 const TABLE_NAME = process.env.TABLE_NAME || "crud_items";
+// SERVICE_NAME — какое приложение добавило строку (колонка created_by).
+// Задаётся в json_env манифеста для каждого сервиса (flask / lucee / nodejs).
+const SERVICE_NAME = process.env.SERVICE_NAME || "nodejs";
 const PORT = process.env.PORT || 3000;
 
 const pool = new Pool({
@@ -32,15 +35,26 @@ app.set("view engine", "ejs");
 app.set("views", path.join(__dirname, "views"));
 
 // --- Инициализация БД ---
+// Таблица выставочная: кроме id/value — две метки: created_at (когда добавлено)
+// и created_by (какое приложение добавило). ALTER ... IF NOT EXISTS досыпает
+// колонки в таблицу, созданную прошлой версией приложения, не теряя данные.
 async function initDB() {
   const client = await pool.connect();
   try {
     await client.query(`
       CREATE TABLE IF NOT EXISTS ${TABLE_NAME} (
-        id    SERIAL PRIMARY KEY,
-        value TEXT NOT NULL DEFAULT ''
+        id         SERIAL PRIMARY KEY,
+        value      TEXT NOT NULL DEFAULT '',
+        created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+        created_by TEXT NOT NULL DEFAULT ''
       )
     `);
+    await client.query(
+      `ALTER TABLE ${TABLE_NAME} ADD COLUMN IF NOT EXISTS created_at TIMESTAMPTZ NOT NULL DEFAULT now()`
+    );
+    await client.query(
+      `ALTER TABLE ${TABLE_NAME} ADD COLUMN IF NOT EXISTS created_by TEXT NOT NULL DEFAULT ''`
+    );
   } finally {
     client.release();
   }
@@ -52,14 +66,14 @@ app.get("/", async (req, res) => {
     let editRow = null;
     if (req.query.edit) {
       const result = await pool.query(
-        `SELECT id, value FROM ${TABLE_NAME} WHERE id = $1`,
+        `SELECT id, value, created_at, created_by FROM ${TABLE_NAME} WHERE id = $1`,
         [parseInt(req.query.edit)]
       );
       if (result.rows.length > 0) editRow = result.rows[0];
     }
 
     const result = await pool.query(
-      `SELECT id, value FROM ${TABLE_NAME} ORDER BY id`
+      `SELECT id, value, created_at, created_by FROM ${TABLE_NAME} ORDER BY id`
     );
 
     res.render("index", {
@@ -78,7 +92,11 @@ app.post("/", async (req, res) => {
     const { action, value, id } = req.body;
 
     if (action === "create") {
-      await pool.query(`INSERT INTO ${TABLE_NAME} (value) VALUES ($1)`, [value || ""]);
+      // created_at ставит СУБД (DEFAULT now()), created_by — имя этого сервиса
+      await pool.query(
+        `INSERT INTO ${TABLE_NAME} (value, created_by) VALUES ($1, $2)`,
+        [value || "", SERVICE_NAME]
+      );
     } else if (action === "update") {
       await pool.query(`UPDATE ${TABLE_NAME} SET value = $1 WHERE id = $2`, [
         value || "",
diff --git a/views/index.ejs b/views/index.ejs
index 2472a23..5dbd98e 100644
--- a/views/index.ejs
+++ b/views/index.ejs
@@ -23,7 +23,7 @@
             <table>
                 <thead>
                     <tr>
-                        <th>ID</th><th>VALUE</th>
+                        <th>ID</th><th>VALUE</th><th>ДОБАВЛЕНО</th><th>КЕМ</th>
                         <th style="text-align:center;"></th>
                         <th style="text-align:center;"></th>
                     </tr>
@@ -33,6 +33,8 @@
                     <tr>
                         <td><%= row.id %></td>
                         <td><%= row.value %></td>
+                        <td><%= row.created_at ? new Date(row.created_at).toLocaleString('ru-RU') : '' %></td>
+                        <td><%= row.created_by %></td>
                         <td style="text-align:center;">
                             <a href="/?edit=<%= row.id %>" class="btn btn-sm">✏️</a>
                         </td>