Table of contents

GOV.UK's environments (integration, staging, production)

GOV.UK has several environments with different purposes.

Continuous integration (CI)

Runs tests for applications. Hosted by Carrenza.

Integration

Used by GOV.UK product teams to test changes to software.

Right now this environment is also used by content editors at GDS and in other departments to preview their content changes. This functionality should be replaced by draft preview functionality as part of the publishing platform.

Integration is shut down each weekday night and started each weekday morning.

Integration is hosted by Carrenza in their Slough datacentre.

Staging

Used by GOV.UK product teams while deploying changes to ensure that they behave correctly in a production-like environment. This means that staging must be similar to production so that we’re able to test things like the performance impact of changes.

Staging is primarily hosted by Carrenza in their London datacentre.

Production

The thing that runs the website for real people.

Production is primarily hosted by Carrenza in their Slough datacentre.

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