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SSL Setup

Railway-managed SSL​

Railway provisions SSL automatically for default domains.

Custom domain​

  1. Add your custom domain in the Railway service settings.
  2. Create the DNS records Railway provides (CNAME for subdomains or ALIAS/A for apex).
  3. Wait for DNS propagation and confirm the status in Railway.

Verify​

Visit the custom domain over HTTPS and ensure the certificate is valid and the site loads without mixed-content warnings.