Docker image to support Mozilla Text to Speech system -- 2

I am looking for a freelancer to create a Docker image to support the Mozilla Text to Speech system. The image should be written in Python and specifically support a specific version of the Mozilla Text to Speech system. Additionally, the Docker image should be compatible with specific systems or platforms.


Requirements :

1. I want the developer to generate a Dockerfile using this repo : https://github.com/mozilla/TTS
2. There is already a Dockerfile there available.
3. The Dockerfile will get following environment variables :
- INPUT_LANGUAGE
- SPEAKER_TYPE
- SPEAKER_GENRE
- TTS_MODEL
- URL_CALLBACK_SUCCESS
- Input Text
- Speed
-Duration of the Speech
4. The output from the Dockerfile will be call the URL_CALLBACK_SUCCESS after the audio file is generated.

The image will be used in Google Cloud Platform which will be based on a ubuntu containerised image.

Ideal Skills and Experience:
- Experience with Docker and containerization
- Proficiency in Python programming language
- Familiarity with the Mozilla Text to Speech system
- Knowledge of system and platform compatibility considerations