entrypoint.sh

#!/bin/sh
set -e

# Build DATABASE_URL from individual env vars
export DATABASE_URL="sqlite:///${DATABASE_NAME}.db"

# Initialize migrations if not present, and patch env.py for SQLite batch mode
if [ ! -d "migrations" ]; then
    flask db init
    sed -i \
        's/context.configure(/context.configure(\n        render_as_batch=True,/' \
        migrations/env.py
fi

# Apply all migrations
flask db upgrade

# Start the app
exec gunicorn \
    --bind 0.0.0.0:${PORT:-5000} \
    --workers 4 \
    --timeout 120 \
    --access-logfile - \
    --error-logfile - \
    "main:app"