services:
  - type: web
    name: flowchart-app
    env: python
    buildCommand: |
      apt-get update && apt-get install -y tesseract-ocr
      pip install -r requirements.txt
    startCommand: streamlit run app.py --server.port=$PORT --server.address=0.0.0.0
    plan: free
    envVars:
      - key: PORT
        value: 10000  # This line can actually be removed if you're using $PORT above
    pythonVersion: 3.10