start.sh

#!/usr/bin/env bash
# ─────────────────────────────────────────────────────────────
# start.sh — Runs FastAPI backend + Streamlit frontend
#             in a single Render web service.
#
#   • FastAPI  → localhost:8000  (internal, not exposed)
#   • Streamlit → $PORT         (Render exposes this)
# ─────────────────────────────────────────────────────────────
set -e

echo "🚀 Starting SafeSpace..."

# 1) Launch FastAPI backend in the background on port 8000
echo "   ↳ Starting FastAPI backend on :8000 ..."
gunicorn main:app \
  -k uvicorn.workers.UvicornWorker \
  --bind 0.0.0.0:8000 \
  --workers 2 \
  --timeout 120 \
  --access-logfile - \
  &

# Give the backend a moment to bind
sleep 3

# 2) Launch Streamlit frontend on $PORT (foreground)
echo "   ↳ Starting Streamlit frontend on :${PORT} ..."
exec streamlit run streamlit_app.py \
  --server.port="${PORT}" \
  --server.address=0.0.0.0 \
  --server.headless=true \
  --browser.gatherUsageStats=false