Config

Variables for one app, and variables shared by several apps.

Two kinds of configuration value. Both are encrypted, typed plain or secret, and injected at build time and at run time. A linked shared variable wins over an app variable with the same name.

Environment variables are set on one app. Learn more ->

Shared variables belong to the team and can be linked to several apps. Change them once and every linked app gets the new value. Learn more ->

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Pull request previews

Every open pull request gets its own running copy of the app, at its own URL.

Environment variables

The configuration your app reads from its environment.