render.yaml

# render.yaml — RespiroSync Render.com deployment
# Deploy the phase–memory operator dashboard as a web service.
# Docs: https://render.com/docs/infrastructure-as-code

services:
  - type: web
    name: respirosync-dashboard
    runtime: python
    region: oregon        # Render free-tier region; change to suit your latency needs
    plan: free            # Use "starter" or higher for production

    # ── Build step ──────────────────────────────────────────────────
    # Install only the server dependencies (Flask, NumPy, SciPy).
    # The validation pipeline modules are imported directly from the
    # repo checkout — no separate package installation needed.
    buildCommand: pip install -r requirements.txt

    # ── Start command ────────────────────────────────────────────────
    # Render sets the PORT environment variable automatically.
    # gunicorn binds directly to 0.0.0.0:$PORT so Render can detect
    # the open HTTP port reliably (Flask's dev server is not suitable
    # for production and can cause "No open HTTP ports detected" errors).
    startCommand: gunicorn --bind 0.0.0.0:${PORT:-5000} --chdir server app:app

    # ── Health check ─────────────────────────────────────────────────
    # Render pings this path to verify the service is live.
    # /ping is unauthenticated; /api/status requires a JWT so it would
    # always return 401 and cause Render to mark the service as unhealthy.
    healthCheckPath: /ping

    # ── Auto-deploy ──────────────────────────────────────────────────
    autoDeploy: true

    # ── Environment variables ────────────────────────────────────────
    # PORT is injected automatically by Render.
    # Add any secrets (API keys, etc.) in the Render dashboard UI
    # under Environment → Secret Files or as "Secret" env vars.
    envVars:
      - key: PYTHON_VERSION
        value: "3.11.0"
      - key: FLASK_ENV
        value: production