Pull-Request for `paretOS`

## Description
- Updated some file to change some logic
- Added tests
- Updated docker-compose.yml to include new ENV

## Relates to
- #34 or whichever ticket number the pr is addressing

## Reviewers
- @person1 (merge duty)
- @person2
- ...

## Steps to reproduce (if describing bug fix)
- Start project
- Make request to `/endpoint` with `{ "body": "test" }`
- Expect some response

## Screenshots / other info
...
