## Server Requirements 

For production we highly recommend a *nix based system. 

### Webserver 
- Apache >= 2.2
  - mod_rewrite
  - .htaccess support (`AllowOverride All`)
- Nginx


### PHP >= 7.0
Both **mod_php** and **FCGI (FPM)** are supported.  
Please note that the usage of **PHP 7.1 is strongly recommended** as future versions of Pimcore 5 will require PHP 7.1. 

#### Required Settings and Modules & Extensions
- `memory_limit` >= 128M
- `upload_max_filesize` and `post_max_size` >= 100M (depending on your data) 
- [pdo_mysql](http://php.net/pdo-mysql) or [mysqli](http://php.net/mysqli)
- [iconv](http://php.net/iconv)
- [dom](http://php.net/dom)
- [simplexml](http://php.net/simplexml)
- [gd](http://php.net/gd)
- [exif](http://php.net/exif)
- [file_info](http://php.net/fileinfo) 
- [mbstring](http://php.net/mbstring)
- [zlib](http://php.net/zlib)
- [zip](http://php.net/zip)
- [bz2](http://php.net/bzip2)
- [intl](http://www.php.net/intl)
- [openssl](http://php.net/openssl)
- [opcache](http://php.net/opcache)
- CLI SAPI (for Cron Jobs)
- [Composer](https://getcomposer.org/) (added to `$PATH`)

#### Recommended Modules & Extensions 
- [imagick](http://php.net/imagick) (if not installed *gd* is used instead, but with less supported image types)
- [curl](http://php.net/curl) (required if Google APIs are used)
- [phpredis](https://github.com/phpredis/phpredis) (recommended cache backend adapter)

### MySQL / MariaDB >= 5.6 

#### Features
- InnoDB / XtraDB storage engine
- MEMORY storage engine

#### Permissions
All permissions on database level, specifically: 
- Select, Insert, Update, Delete table data
- Create tables
- Drop tables
- Alter tables
- Manage indexes
- Create temp-tables
- Lock tables
- Execute
- Create view
- Show view

### Operating System
Please ensure you have installed all required packages to ensure proper locale support by PHP.
On Debian based systems, you can use the following command to install all required packages: 
`apt-get install locales-all` (on some systems there may be a reboot required).


### Additional Server Software 
- FFMPEG (>= 3)
- Ghostscript (>= 9.16)
- LibreOffice (>= 4.3)
- wkhtmltoimage / wkhtmltopdf (>= 0.12)
- xvfb
- [html2text (mbayer)](http://www.mbayer.de/html2text/)
- timeout (GNU core utils)
- pdftotext (poppler utils)
- inkscape
- zopflipng
- pngcrush
- jpegoptim
- pngout 
- advpng
- cjpeg ([MozJPEG](https://github.com/mozilla/mozjpeg))
- exiftool

Please visit [Additional Tools Installation](03_System_Setup_and_Hosting/06_Additional_Tools_Installation.md) for additional information. 

## Browser Requirements
Pimcore supports always the latest 2 versions of all 4 major browsers at the time of a release. 

- **Google Chrome  (Recommended)**
- Mozilla Firefox 
- Microsoft Internet Explorer / Edge
- Apple Safari