I will outsource the launch and configuration of eJabberd + Converse.js + Jitsi on Debian

I am looking for a person to perform the following configuration with detailed documentation:

1. installation of a new Debian 11/12 system or use of existing instances (VPS servers), along with the necessary SSL (Let's Encrypt) configuration,

2. installation of PostgreSQL,

3. eJabberd installation and configuration to work with PostrgreSQL,

4. installation of Converse.js and configuration to work with the above systems.

5. installation of Jisti instance No.1 and configuration to work with the above eJabberd, enabling anonymous conversations,

6. installation of Jitsi instance No.2 and configuration to work with the above systems, using PostgreSQL database,

7. installation and configuration of Nginx and customization of the above, if necessary,

8. configuration of user authentication (connection to currently existing other services, Token/SSO - to be determined).