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Every branch gets its own isolated, production-accurate environment, automatically. Shared staging is a headache you don't need.

No configuration, no waiting. A full production-accurate environment spins up the moment you push, and rebuilds automatically with every code update.
Code, services, and configuration are replicated exactly. Identical CPU, RAM, databases, caches, queues, and background workers. What you test is what ships.
Nothing bleeds across environments. Your work can't affect production, and nobody else's branch can affect yours.
Every environment is a complete clone of production, ready the moment you need it and gone the moment you don't.
A developer opens a pull request. Upsun creates a live environment automatically. Reviewers test the real change before approving the merge.
Validate schema changes against a production-accurate dataset before they touch live data. Issues caught early, not at 2am.
Product and QA review new features in a live environment with real data. Less back-and-forth, faster sign-off.
Every environment inherits Upsun's full security model. Network isolation, runtime protections, fully contained.
The same role-based permissions that govern your platform govern your previews. No separate access layer to manage.
Environments are ephemeral. They appear when a branch is created and disappear when it's merged or closed.