**Full Changelog**: https://github.com/Tobi-De/cookiecutter-fastapi/compare/0.1.2...0.1.3
- added a `ENVIRONMENT` setting to distinguish the dev environment from the production environment
- add a `.env` example in project readme to simplify project set-up
- upgrade project dependencies
- remove `poetryup` from dev dependencies, see https://github.com/MousaZeidBaker/poetryup/issues/73