#!/usr/bin/env bash
set -euo pipefail

mkdir -p instance

export FLASK_APP=app.py

if [[ "${DATABASE_URL:-}" != "" ]]; then
  echo "[mikromon] waiting for database"
  python - <<'PY'
import os, time
from sqlalchemy import create_engine

url = os.environ.get("DATABASE_URL")
engine = create_engine(url, pool_pre_ping=True)
for i in range(60):
    try:
        with engine.connect() as c:
            c.exec_driver_sql("SELECT 1")
        break
    except Exception:
        time.sleep(1)
else:
    raise SystemExit("DB not reachable")
PY
fi

echo "[mikromon] applying migrations"
MIKROMON_MIGRATING=1 flask db upgrade

echo "[mikromon] starting app"
exec python app.py