hands-on lab

Automating Code Reviews with Amazon CodeGuru

Up to 1h
Get guided in a real environmentPractice with a step-by-step scenario in a real, provisioned environment.
Learn and validateUse validations to check your solutions every step of the way.
See resultsTrack your knowledge and monitor your progress.


Warning: This lab simulates the use of Amazon CodeGuru due to the cost of CodeGuru Reviewer making it prohibitive for users to associate new repositories with CodeGuru.

Amazon CodeGuru is a machine-learning-powered solution for automating performance reviews and improving application performance. It does by acting both on your code repositories and actual applications, and it currently supports Java code.

When you submit a pull request to a CodeGuru-associated code repository, such as Amazon CodeCommit, CodeGuru will peruse the changes in the pull request and make recommendations based on its own analysis of millions of lines of external code, as comments on your file changes. Additionally, if you deploy CodeGuru as an agent in your application, over time it will make observations and recommendations to help you find and fix code issues such as performance leaks, wasted CPU cycles and more.

In this lab, you'll associate an Amazon CodeCommit repository with CodeGuru and create a pull request to be analyzed.

Learning Objectives 

Upon completion of this lab you will be able to:

  • Be familiar with the basics of Amazon CodeGuru
  • Use CodeGuru to analyze code in a repository

Intended Audience

This lab is intended for:

  • Developers
  • DevOps engineers


You should be familiar with:

  • Familiarity with the AWS console is helpful but not required


June 6th, 2023 - Updated instructions to improve clarity

October 12th, 2022 - Updated the lab to simulate the use of CodeGuru; student users no longer have permission to associate repositories with CodeGuru

May 19th, 2022 - Updated the instructions to reflect a specific CodeGuru Reviewer comment in the pull request

April 4th, 2022 - Updated the instructions and screenshots to reflect the latest UI

Environment before

Environment after

About the author

Matt Martinez, opens in a new tab
Cloud Content & Labs QA
Learning paths

Matt has worked for multiple Fortune 500 companies as a DevOps Engineer and Solutions Architect. He is an AWS Certified DevOps Engineer - Professional, and an AWS Certified Solution Architect - Associate. He enjoys reading and learning new technologies.

Covered topics

Lab steps

Logging In to the Amazon Web Services Console
Associating Amazon CodeGuru with a CodeCommit Repository
Triggering an Amazon CodeGuru Review
Viewing Amazon CodeGuru Comments