#!/bin/sh
# Starts the unified AlertHub app (frontoffice + /backoffice) on a single port.
# POSIX /bin/sh (dash) compatible. Uses exec so Gunicorn becomes the container's
# main process and receives signals directly for clean, graceful shutdown.

set -eu

PORT="${APP_PORT:-${FRONTOFFICE_PORT:-8080}}"
# A single worker guarantees exactly one reminder scheduler. Concurrency is
# handled with threads, which is plenty for this internal tool. You can raise
# GUNICORN_THREADS if needed; leave GUNICORN_WORKERS at 1 to avoid running the
# scheduler more than once.
WORKERS="${GUNICORN_WORKERS:-1}"
THREADS="${GUNICORN_THREADS:-4}"

echo ">> AlertHub starting (frontoffice + /backoffice on one port)"
echo "   listening -> 0.0.0.0:${PORT}"

exec gunicorn --bind "0.0.0.0:${PORT}" \
              --workers "${WORKERS}" \
              --threads "${THREADS}" \
              --timeout 60 \
              --graceful-timeout 30 \
              --access-logfile - \
              --error-logfile - \
              "wsgi:application"