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

# On-premises packaging

> Technical Information about the on-premises packaging options for Authlete API Server built with Java including WAR package deployment and system requirements.

# On-premises packaging

Authlete API Server is built with Java. Customers can choose the following either one for on-premises deployment.

* WAR package
* WAR package + Dockerfile

The system requirements for Authlete API server are as follows, as of April 2023.

| Java             |  Java 11+                                                            |
| ---------------- | -------------------------------------------------------------------- |
| database         | PostgreSQL (13+) / MySQL (8.0+) / Oracle (19c+) / YugabyteDB (2.19+) |
| cache (optional) | Redis                                                                |