Public Networking
Public networking allows you to expose your Railway services to the internet via HTTP/HTTPS. Railway provides automatic SSL certificates, Railway-provided domains, and support for custom domains.
Key features
- Automatic SSL - Free SSL certificates automatically provisioned and renewed
- Railway Domains - Get a
.railway.appdomain instantly - Custom Domains - Bring your own domain with easy DNS configuration
- Global Edge Network - Traffic routed through Railway's edge network
Learn more
| Topic | Description |
|---|---|
| Domains | Configure Railway-provided domains and custom domains for your services. Learn about DNS setup, SSL certificates, and domain management. |
| Edge rules | Match and handle requests at Railway's edge before they reach your service. |
| Specs & Limits | Understand request limits, timeouts, and other specifications for public networking. |
Quick start
To expose a service to the internet:
- Go to your service's Settings
- Find Networking → Public Networking
- Click Generate Domain to get a Railway-provided domain
Or configure a custom domain by adding the CNAME and TXT records Railway provides to your DNS - both are required.
See Domains for complete setup instructions.