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Goal: Learn the fundamentals of Bazel. Get oriented to the repository structure, how to configure Bazel for your source code, and try out some basic commands like build, run, and test.
This course is updated in September 2025 and covers Bazel 9.

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Outline

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Introduction

Touches on what Bazel is and what advantages it has over alternatives. By the end of this section, you will be able to explain to a co-worker why your organization chose to use it, and should have Bazel installed so you can run bazel version. What is a build system? Bazel’s Essential Properties Mental model Bazel’s Ecosystem Installing Bazel

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Project Structure

Bazel has some terminology and conventions for which files must appear. Create a repository Bazel Modules (MODULE.bazel) Flags

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Configuring the Build

To configure Bazel, you need to author BUILD files, and sometimes improve how they are written. Packages, Rules, Targets, and Labels Create and update BUILD files The build and run commands Manually using rules in BUILD files

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Running Tests

Now that you are able to build the code, you should figure out if it’s working. By the end of this section, you’ll have used bazel test to run some automated tests for the language you picked. The test command How Bazel runs tests Flags and Tags Coverage and Test Cases Flakiness

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FAQ / Q&A

Please ask any questions we haven’t already answered! This section is only covered in instructor-led training, and so no recordings are available.

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Conclusion

Wrapping Up What is Bzlmod?
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