services:
  - type: web
    name: deepfake-detector
    runtime: python
    plan: free             # NOTE: 512 MB RAM — quantization enabled below to squeeze in
    buildCommand: pip install --upgrade pip && pip install -r requirements.txt && python download_model.py
    startCommand: gunicorn app:app --workers 1 --threads 4 --timeout 300
    healthCheckPath: /health
    envVars:
      - key: PYTHON_VERSION
        value: "3.11.9"
      - key: FLASK_SECRET_KEY
        generateValue: true
      - key: DEEPFAKE_MAX_FRAMES
        value: "24"
      # int8 dynamic quantization: required to fit the ViT in 512 MB free tier
      - key: DEEPFAKE_QUANTIZE
        value: "1"
      # Optional: persist the model + SQLite history across deploys with a
      # Render persistent disk (requires a plan that supports disks).
      # - key: DEEPFAKE_MODEL_DIR
      #   value: /var/data/models
      # disk:
      #   name: model-disk
      #   mountPath: /var/data
      #   sizeGB: 2