# Backstage Frontend ## Usage Serve app: ```bash yarn start ``` Build app: ```bash yarn build ``` Run all tests: ```bash yarn test ``` Lint project: ```bash yarn lint ``` Test a single package: ```bash cd packages/plugins/hello-world yarn test ``` ## Structure ### `packages/app` Example application with a standard plugin wiring. ### `packages/core` Core API package. ### `packages/plugins/*` Plugins go here