Enhance development user experience

[eguzki]

• Build apisonator image from $PROJECT_DIR/Dockerfile #353
• Development environment based on docker compose. Remove CI image #354
  • Support only one ruby version
  • Separated containers for tweemproxy and sentinels
  • Separated contatiners for redis. New redis version. Maybe 6.2??
• Testing happening on the new developement environment based on docker compose. #355
• Clean up outdated files #356
• Review existing documentation. #357

[eguzki]

@jlledom FYI

[jlledom]

I would add

• Enable dotenv: https://github.com/bkeepers/dotenv
• Add scripts under /bin to launch both listener and worker in a single thread so the process can be attached to a debugger
• Configure logs to store the log files under /log where in development or test