Technical specifications

1. Introduction

Facephi Backend1N Service is a Rest API service in C++ that allows 1:N authentication using collections of biometric patterns stored in a database (MongoDB, PostgreSQL). The service offers several endpoints to extract facial patterns from images, register patterns in a gallery and perform searches. The service uses SelphID-SDK for biometric operations and supports optional JWT authentication, configurable from config.json or via environment variables FACEPHI_BACKEND1N_REST_*.

2. Hardware requirements

	Minimum requirement	Recommended requirement
CPU	2 cores with support for the SSE4.2 instruction set, >=2GHz	16 cores, with AVX2 ISA support
RAM	4 GB	8 GB
Disk	4 GB	4 GB SSD
Network	100 Mbps	1 Gbps

3. Software requirements

• Linux x86_64 (Ubuntu 26.04 or later) with Docker 24.0 or later.

or

• Windows 10 x64 with Docker 24.0 or later.