# Sample Bash Script app A runnable sample app demonstrating the usage of [project descriptor](https://github.com/buildpacks/spec/blob/main/extensions/project-descriptor.md) with an inline buildpack that is used in the build. ### Usage ```bash pack build sample-bash-script-app --builder cnbs/sample-builder:alpine ``` OR ```bash pack build sample-bash-script-app --builder cnbs/sample-builder:bionic ``` ### Extended Functionality These are optional files that provide additional functionality. - `project.toml` - A project descriptor used to describe the project to Cloud Native Buildpacks. - Included Features: - Include/Exclude files - Specify buildpacks to use