Preview Deployments — Test Before You Go Live
Get a live URL for every pull request so you can see, test, and share changes before merging to production.
Here's a scenario you've probably lived through: you build a feature, it looks great on localhost, you merge it, it deploys, and... something's off. Maybe the fonts render differently in production. Maybe an environment variable is missing. Maybe the responsive layout breaks on a screen size you didn't test. The feature works perfectly on your machine and completely falls apart in the real world.
Preview deployments solve this by giving every pull request its own live URL. Before anything touches production, you get a real, publicly accessible deployment of your changes. You can click through it, share it with a collaborator, test it on your phone, and verify everything works — in an environment that's identical to production.
This is one of those things that, once you have it, you can'
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