chatique TODO: Create docker environment, see https://testdriven.io/courses/tdd-fastapi/docker-config/ Add app, models, api and others, see https://github.com/tiangolo/full-stack-fastapi-postgresql Add websocket chat, see: https://fastapi.tiangolo.com/advanced/websockets/ https://dev.to/gealber/simple-chat-application-using-websockets-with-fastapi-3gn7 https://medium.com/vacatronics/how-to-use-websocket-with-fastapi-8460db1c074