From cfda4e557a2f04fa2801fb023e4d2b28b737b84d Mon Sep 17 00:00:00 2001
From: Vitalii Miagkov <73880785+maposia@users.noreply.github.com>
Date: Mon, 8 Dec 2025 17:54:29 +0300
Subject: [PATCH] docs: updated migration info from 3 to 4 version (#250)

---
 .../install/panel-security/tinyAuth-for-nginx.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/docs/install/panel-security/tinyAuth-for-nginx.md b/docs/install/panel-security/tinyAuth-for-nginx.md
index 1b82efc..ddeefcd 100644
--- a/docs/install/panel-security/tinyAuth-for-nginx.md
+++ b/docs/install/panel-security/tinyAuth-for-nginx.md
@@ -148,6 +148,22 @@ After that, restart nginx and launch tinyAuth
 docker compose down && docker compose up -d && docker compose logs -f
 ```
 
+:::warning
+
+Important: If you used tinyAuth before 01.12.2025 and updated, you have switched from version 3 to 4.
+
+:::
+## Updating from v3 to v4
+
+Starting from v4, Tinyauth is a stateful application that uses a SQLite database to store sessions. This change improves security. For Docker setups, include the following volume:
+
+```bash
+services:
+  tinyauth:
+    volumes:
+      - ./data:/data
+```
+
 ## Issuing API-keys
 
 :::info