-- [Download](https://gitlab.com/mojo42/Jirafeau/repository/archive.zip) the last version of Jirafeau from GitLab
-- Upload files on your web server
-- Don't forget to set owner of uploaded files if you need to
-- Get your web browser and go to you install location (e.g. ```http://your-web-site.org/jirafeau/```) and follow instructions
-- Some options are not configured from the minimal installation wizard, you may take a look at option documentation in ```lib/config.original.php``` and customize your ```lib/config.local.php```
-
-Note that ```lib/config.local.php``` is auto-generated during the installation.
-
-If you don't want to go through the installation wizard, you can just copy ```config.original.php``` to ```config.local.php``` and customize it.
-
-## Upgrade
-
-### General procedure for all versions
-
-1. Backup your Jirafeau installation!
-2. Block access to Jirafeau
-3. Checkout the new version with Git using the [tagged release](https://gitlab.com/mojo42/Jirafeau/tags)
- * If you have installed Jirafeau just by uploading files on your server, you can download the desired version, overwrite/remove all files and chown/chmod files if needed. Keep a backup of your local configuration file tough.
-4. With you browser, go to your Jirafeau root page
-5. Follow the installation wizard, it should propose you the same data folder or even update automatically
-7. Check your ```/lib/config.local.php``` and compare it with the ```/lib/config.original.php``` to see if new configuration items are available
-
-### From version 1.0 to 1.1
-
-1. The download URL changed
- * Add a rewrite rule in your web server configuration to rename ```file.php``` to ```f.php``` to make older, still existing links work again
-1. The default skin changed
- * Optionally change the skin in ```lib/config.local.php``` to »courgette«
-
-### From version 1.2.0 to 2.0.0
-
-1. The "Terms of Service" text file changed
- * To reuse previous changes to the ToS, move the old ```/tos_text.php``` file to ```/lib/tos.local.txt``` and remove all HTML und PHP Tags, leaving a regular text file
+This shows how to install Jirafeau by your own, it's quite simple but you can
+also use a [docker image](https://hub.docker.com/r/mojo42/jirafeau/) or build
+it yourself. Check [docker folder](docker/README.md) for more informations.
+
+System requirements:
+- PHP >= 5.6
+- Optional, but recommended: Git >= 2.7
+- No database required, no mail required
+
+Installation steps:
+- Clone the [repository](https://gitlab.com/mojo42/Jirafeau/) or download the latest [release](https://gitlab.com/mojo42/Jirafeau/tags) from GitLab onto your webserver
+- Set owner & group according to your webserver
+- A) Setup with the installation wizard (web):
+ - Open your browser and go to your installed location, eg. ```https://example.com/jirafeau/```
+ - The script will redirect to you to a minimal installation wizard to set up all required options
+ - All optional parameters may be set in ```lib/config.local.php```, take a look at ```lib/config.original.php``` to see all default values
+- B) Setup without the installation wizard (cli):
+ - Just copy ```lib/config.original.php``` to ```lib/config.local.php``` and customize it