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Atlantis

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Terraform pull request automation

DevOpsInfrastructure as CodeCI/CDWorkflow Automation
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Reviews onCapterra
8 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Terraform automation

Biggest con

Setup complexity

TL;DR - Atlantis

  • Terraform automation
  • Pull request workflows
  • GitOps infrastructure
Pricing: Free forever
Best for: Individuals & startups
3.9/5 across review platforms

What is Atlantis?

Editorial review
Atlantis is a self-hosted application for Terraform pull request automation. Run terraform plan automatically on pull requests and show results as comments. Apply changes through PR approvals for audit trails. Supports multiple workflows and Terraform workspaces. Lock infrastructure to prevent concurrent modifications. GitOps for Terraform that makes infrastructure changes reviewable and auditable.

Available on: Web

how we evaluateSourcerunatlantis.io ↗

Pros & Cons

Pros

  • Terraform automation
  • Pull request workflow
  • GitOps for infra
  • Open source
  • Self-hostable

Cons

  • Setup complexity
  • Security considerations
  • Maintenance needed
  • Learning curve
  • Scaling challenges

Ratings Across the Web

3.9(8 reviews)
Capterra8 reviews
3.9/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Terraform automationPR workflowApply on mergePolicy checkingMulti-repo supportSelf-hosted

Pricing Plans

Pricing checked Jul 8, 2026

Open Source (Free)

Free

  • Self-hosted Terraform automation
  • Pull request automation
  • GitOps workflow
  • You only pay for hosting infrastructure
  • Community support
Calculate your costView full pricing

Reviews

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3.9/5

Across 8 verified user reviews on Capterra

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Atlantis FAQ

How does Atlantis automate Terraform operations?

Atlantis automates Terraform operations by running terraform plan automatically on pull requests and displaying the results as comments. It allows applying changes through PR approvals, which creates an audit trail for infrastructure modifications.

Which teams benefit most from using Atlantis?

Teams focused on DevOps, Infrastructure as Code, and CI/CD workflows will find Atlantis most beneficial. It helps streamline the review and audit processes for infrastructure changes, making it suitable for organizations prioritizing GitOps practices.

How does Atlantis compare to GitHub Actions for Terraform automation?

Atlantis is a self-hosted application specifically designed for Terraform pull request automation, providing features like infrastructure locking and detailed audit trails. GitHub Actions offers a broader CI/CD platform where Terraform workflows can be configured, but Atlantis provides a more specialized and opinionated GitOps approach for Terraform.

What kind of limitations should users be aware of when implementing Atlantis?

Users should be aware of the setup complexity, security considerations, and ongoing maintenance required for Atlantis. There is also a learning curve associated with its implementation and potential scaling challenges for larger environments.

Does Atlantis include a free tier?

Atlantis is free to use, as it is an open-source and self-hostable application. There are no paid plans required to access its features for Terraform pull request automation.

Can Atlantis manage multiple Terraform workspaces?

Yes, Atlantis supports multiple workflows and Terraform workspaces. This allows users to organize and manage different environments or configurations within their infrastructure as code.

How does Atlantis prevent concurrent infrastructure modifications?

Atlantis prevents concurrent infrastructure modifications by locking infrastructure during operations. This ensures that only one change can be applied at a time, maintaining consistency and preventing conflicts.

Source: runatlantis.io

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