> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cachethq.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Prerequisites

> Prerequisites for installing Cachet.

## Cachet Prerequisites

You'll need at least the following installed on your server:

* PHP 7.3, you'll also need `ext-gd`, `ext-simplexml`, `mcrypt` and `ext-xml` installed.
* [Composer](https://getcomposer.org/) and `ext-mbstring`,`ext-tokenizer`
* APC or Redis for caching.
* A database driver for your DB, such as MySQL, PostgreSQL or SQLite.
* [Git](https://git-scm.com)

## SQLite

Whilst we support SQLite, we advise not using it for status pages with a high amount of traffic.

## MySQL Timezone Info

Ensure your MySQL database has been updated with the correct timezone information. This will ensure that metrics are shown correctly: [https://dev.mysql.com/doc/refman/5.7/en/time-zone-support.html](https://dev.mysql.com/doc/refman/5.7/en/time-zone-support.html)

## Developer Prerequisites

If you're looking to contribute to Cachet you may need some extra dependencies; depending on what you're looking for.

Our CSS is compiled from SCSS, so to compile this you'll need the following:

* Node.js
* NPM
* Bower
* Gulp