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title: Source control and environments
description: Overview of source control and environments in n8n
contentType: overview
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- toc
Source control and environments
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n8n uses Git-based source control to support environments. Linking your n8n instances to a Git repository lets you create multiple n8n environments, backed by Git branches.
In this section:
- Understand:
- Environments in n8n: The purpose of environments, and how they work in n8n.
- Git and n8n: How n8n uses Git.
- Branch patterns: The possible relationships between n8n instances and Git branches.
- Set up source control for environments: How to connect your n8n instance to Git.
- Using:
- Push and pull: Send work to Git, and fetch work from Git to your instance.
- Copy work between environments: How to copy work between different n8n instances.
- Tutorial: Create environments with source control: An end-to-end tutorial, setting up environments using n8n's recommended configurations.
Related sections:
- Variables: reusable values.
- External secrets: manage credentials with an external secrets vault.