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AWS Serverless: Build a Custom IAM Policy for Lambda CI/CD with SAM and GitHub – Part 2
- The article discusses the importance of implementing a custom IAM policy for a Lambda CI/CD pipeline using AWS SAM and GitHub.
- It emphasizes the need to move away from granting broad permissions and focus on the principle of least privilege.
- Using a custom IAM policy aligns with AWS security best practices and helps reduce security risks.
- Advantages of custom policies include limiting the impact of compromised credentials and increasing operational efficiency.
- Custom policies offer awareness of automation permissions, prevent unintended resource operations, and support compliance requirements.
- The article provides an example of a custom IAM policy tailored for a Lambda and API Gateway deployment pipeline.
- It details the steps to attach the custom policy to the role for the code build/code pipeline.
- The article guides through the process of pushing code changes to trigger the AWS Code Pipeline and reviewing deployment stages.
- It includes validation steps for invoking the deployed function and API using tools like Postman.
- Additionally, the article covers reviewing S3 bucket artifacts, CloudWatch logs, and emphasizes resource cleanup post-experimentation.
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