VPS deployment readiness

App service

Package app with uvicorn/gunicorn.
Create a systemd service.
Add health check route before public beta.

Web routing

Nginx reverse proxy to localhost app port.
Certbot TLS after DNS resolves.
Security headers and request-size limits.

Domain

Pick final name/domain.
Create domain A record to VPS IP.
Preserve email records.

Email through Northwest Registered Agent

Create support/sales email inboxes.
Configure MX/SPF/DKIM/DMARC.
Use verified sender for intake/payment emails.