Prompts for DB password, public host, EMIT_SECRET, and SMTP creds, auto-generating secrets where left blank, instead of hand-editing .env.example.
Single-command deploy: docker compose up -d --build brings up the LEMP stack plus the Node realtime/scheduler service. app/config.php and DB secrets are generated from .env at container start, never baked into the image or committed.
Thanakorn