Asterisk in Ubuntu Docker

I am looking for a freelancer who can help me with creating an Asterisk prototype in Ubuntu Docker. The project requires the following functionality and features:

Specific functionality:
- A voicemail system that allows users to leave messages. It has to run inside an ubuntu docker.

Additional requirements:
- Integration of Fail2Ban to enhance security and protect against unauthorized access
- Implementation of PJSIP for improved audio quality and performance
- Do not use FreePBX or any other Bloatware. Your solution will be rejected and you will not be paid if you do that. Has to be done only via asterisk.
- Demonstrate working inbound voicemail service that plays a greeting and accepts voicemail on Telyx SIP lines.

Ideal skills and experience:
- Strong knowledge and experience with Asterisk and Ubuntu Docker
- Familiarity with voicemail systems and call routing
- Expertise in integrating Fail2Ban for security purposes
- Proficiency in implementing PJSIP for enhanced audio quality
- Asterisk has to run in Docker with a specific IP address in the subnet (will provide a prototype docker-compose file), and a prototype Dockerfile as a starting point.

If you have the necessary skills and experience, please submit your proposal. Thank you.