Pull request intervention for infrastructure-as-code risks with Bitbucket custom merge checks

Summary

The article discusses Atlassian's approach to mitigating risks associated with infrastructure-as-code through the implementation of Bitbucket custom merge checks. It highlights the importance of progressive deployments to control the impact of changes and the necessity of monitoring key metrics to ensure reliability. The use of anomaly detection and a structured review process for pull requests allows for early identification of potential issues, thereby reducing the likelihood of service disruptions. The integration of these checks into the developer workflow aims to enhance the reliability of deployments while minimizing friction in the development process.

Key Learnings

• 1Implementing progressive deployments can significantly reduce the blast radius of changes in a cloud-native environment.
• 2Custom merge checks can effectively identify and mitigate known risks associated with infrastructure-as-code changes before they are merged.
• 3Anomaly detection is critical for monitoring the impact of changes and automating rollbacks in case of failures.
• 4Understanding the trade-offs between risk management and developer experience is essential for maintaining a productive workflow.
• 5Regular audits of known risks can help in refining deployment strategies and improving overall system reliability.

Who Should Read This

Senior Site Reliability Engineers implementing infrastructure-as-code practices to enhance deployment reliability and manage risks effectively.

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