Select the correct target port for a Railway custom domain so traffic routes correctly

domain: docs.railway.com · 3 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗

Documented steps

  1. When adding a custom domain Railway offers a list of ports your app listens on; the selected port handles all traffic routed to the domain
  2. Pick the port that actually serves HTTP or HTTPS
  3. Change the target port any time by clicking the edit icon next to the domain

Known gotchas

Related routes

Use a wildcard Railway custom domain to fan out to multiple services or environments
docs.railway.com · 4 steps · unrated
Add and verify a custom domain on a Railway service via the API
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Add and verify a custom domain on a Railway service via the API
docs.railway.com · 6 steps · unrated

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