Added upgrade notices

README.md

@@ -9,9 +9,11 @@ Packeton - Private PHP package repository for vendors
 Fork of [Packagist](https://github.com/composer/packagist). 
 The Open Source alternative of [Private Packagist for vendors](https://packagist.com), that based on [Satis](https://github.com/composer/satis) and [Packagist](https://github.com/composer/packagist).
 
-### Legacy Symfony 3.4 version
+### Legacy Symfony 3.4 version 
 
-[See docs](../1.4/README.md)
+[Legacy docs](../1.4/README.md)
+
+Update to 2.0. [UPGRADE.md](./UPGRADE.md)
 
 Features
 --------

UPGRADE.md

@@ -0,0 +1,50 @@
+# UPGRADE
+
+## UPGRADE FROM 1.4 to 2.0
+
+- Require PHP 8.1+
+- Symfony LTS has been changed from `3.4` to `5.4`
+- Application composer HOME was changed to `%kernel.project_dir%/var/.composer`
+
+#### Run migrations
+There are no major BC breaks in the database structure. 
+
+Run the command to show SQL changes:
+
+```
+bin/console doctrine:schema:update --dump-sql
+```
+
+Run the command to execute migrations:
+
+```
+bin/console doctrine:schema:update --force
+```
+
+*Note* 
+Now composer v2 metadata is supported. The app also supports composer v1 too.
+No additional action required.
+
+### Docker UPGRADE
+
+- Image has been renamed from [okvpn/packeton](https://hub.docker.com/r/okvpn/packeton) to [packeton/packeton](https://hub.docker.com/r/packeton/packeton)
+- Volume directory structure was changed:
+  - /data/composer - composer home
+  - /data/redis - redis data
+  - /data/zipball - dist path
+  - /data/ssh - ssh for www-data path
+
+Before:
+
+```
+    - .docker/redis:/var/lib/redis
+    - .docker/zipball:/var/www/packagist/app/zipball
+    - .docker/composer:/var/www/.composer
+    - .docker/ssh:/var/www/.ssh
+```
+
+After:
+
+```
+    - .docker:/data
+```