Hey everyone, I’m trying to deploy a Python Flask backend on Railway using a monorepo structured like this:

BetterPDP/
├── backend/
├── requirements.txt
├── src/
├── └── main.py # Contains app = Flask(__name__) │
└── ...
├── frontend/
│ └── ...

I’ve already:

• Set the root directory to backend under Settings > Source > Add Root Directory

• Confirmed that requirements.txt is correctly placed and includes Flask and Gunicorn

• Confirmed main.py is in src/ and defines app = Flask(__name__)

I'm still getting as an answer:

Nixpacks was unable to generate a build plan for this app. The contents of the app directory are: .DS_Store frontend/ backend/

It seems like Nixpacks is not detecting the root properly or failing to resolve the Python app structure.

Thanks in advance!