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Bazel

Bazel

Bazel - Google's scalable build tool with hermetic execution

Bazel is a cross-language, multi-platform build system that emphasizes fast incremental builds and reproducible outputs through hermetic, sandboxed actions defined in BUILD files.

Official Website

Category

Build & Automation

First Release

2015

License

Apache License 2.0 (with additional components under various licenses)

Maintained By

Google

Latest News

Bazel 10.0.0rc2 Released With Bzlmod Updates and Performance Enhancements

The latest Bazel release candidate introduces critical Bzlmod dependency management changes, performance optimizations for remote caching, and updated environment defaults.

10/23/2026 • 0 likes

Difficulty

Intermediate 2/3

Understanding BUILD files, rules, and the concept of hermetic builds is approachable, but mastering complex live-codebases and custom rules requires hands-on practice.