Server
- VPS with 2 vCPU, 4 GB RAM, 40 GB SSD (minimum). 4 vCPU / 8 GB recommended for live traffic.
- Ubuntu 22.04 / 24.04 LTS, or any Linux with Docker 24+ and Docker Compose.
- A domain name with TLS (free certificates via Let's Encrypt).
- Outbound HTTPS access to your supplier APIs and payment gateways.
- SMTP for transactional email (recommended; any provider works).