# Building using `fbcode_builder` Continuous integration builds are powered by `fbcode_builder`, a tiny tool shared by several Facebook projects. Its files are in `./fbcode_builder` (on Github) or in `fbcode/opensource/fbcode_builder` (inside Facebook's repo). Start with the READMEs in the `fbcode_builder` directory. `./fbcode_builder_config.py` contains the project-specific configuration.