atlantis
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Description:
Terraform Pull Request Automation tool
Type: Formula  |  Latest Version: 0.38.0@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @runatlantis  |  formulae.brew.sh
Category: Devops
Tags: terraform devops infrastructure-as-code automation ci-cd
Install: brew install atlantis
About:
Atlantis is an open-source tool for Terraform pull request automation. It automatically runs 'terraform plan' and 'terraform apply' in response to pull request events, posting the results as comments. This provides a collaborative workflow for infrastructure changes, enforcing code reviews and preventing direct access to state files.
Key Features:
  • Automated plan and apply workflows via pull requests
  • Supports multiple Terraform versions and providers
  • Locking mechanism to prevent concurrent state modifications
  • Native integration with GitHub, GitLab, and Bitbucket
Use Cases:
  • Enforcing code review and approval processes for infrastructure changes
  • Providing a centralized, auditable workflow for team-based Terraform management
  • Preventing developers from needing direct access to cloud credentials or state files
Alternatives:
  • Terragrunt – Terragrunt is a wrapper for Terraform that keeps configurations DRY, whereas Atlantis focuses on automating the PR workflow.
  • Spacelift – Spacelift is a managed SaaS platform with similar features but requires no self-hosting, unlike the open-source Atlantis.
Version History
Detected Version Rev Change Commit
Dec 10, 2025 7:51am 0 VERSION_BUMP d36ead39
Oct 10, 2025 1:05am 0 VERSION_BUMP 8863d967
Sep 13, 2025 1:30pm 0 VERSION_BUMP 00cc4c0a
Sep 30, 2024 6:25am 0 VERSION_BUMP aab77e53