# @react-native/community-cli-plugin > This is an internal dependency of React Native. **Please don't depend on it directly.** CLI entry points supporting core React Native development features. Formerly [@react-native-community/cli-plugin-metro](https://www.npmjs.com/package/@react-native-community/cli-plugin-metro). ## Commands ### `start` Start the React Native development server. #### Usage ```sh npx react-native start [options] ``` #### Options | Option | Description | | - | - | | `--port ` | Set the server port. | | `--host ` | Set the server host. | | `--projectRoot ` | Set the path to the project root. | | `--watchFolders ` | Specify additional folders to be added to the watch list. | | `--assetPlugins ` | Specify additional asset plugins. | | `--sourceExts ` | Specify additional source extensions to bundle. | | `--max-workers ` | Set the maximum number of workers the worker-pool will spawn for transforming files. Defaults to the number of the cores available on your machine. | | `--transformer ` | Specify a custom transformer. | | `--reset-cache` | Remove cached files. | | `--custom-log-reporter-path ` | Specify a module path exporting a replacement for `TerminalReporter`. | | `--https` | Enable HTTPS connections. | | `--key `| Specify path to a custom SSL key. | | `--cert ` | Specify path to a custom SSL cert. | | `--config ` | Path to the CLI configuration file. | | `--no-interactive` | Disable interactive mode. | ### `bundle` Build the bundle for the provided JavaScript entry file. #### Usage ```sh npx react-native bundle --entry-file [options] ``` #### Options | Option | Description | | - | - | | `--entry-file ` | Set the path to the root JavaScript entry file. | | `--platform ` | Set the target platform (either `"android"` or `"ios"`). Defaults to `"ios"`. | | `--transformer ` | Specify a custom transformer. | | `--dev [boolean]` | If `false`, warnings are disabled and the bundle is minified. Defaults to `true`. | | `--minify [boolean]` | Allows overriding whether bundle is minified. Defaults to `false` if `--dev` is set. Disabling minification can be useful for speeding up production builds for testing purposes. | | `--bundle-output ` | Specify the path to store the resulting bundle. | | `--bundle-encoding ` | Specify the encoding for writing the bundle (). | | `--resolver-option ` | Custom resolver options of the form key=value. URL-encoded. May be specified multiple times. | | `--sourcemap-output ` | Specify the path to store the source map file for the resulting bundle. | | `--sourcemap-sources-root ` | Set the root path for source map entries. | | `--sourcemap-use-absolute-path` | Report `SourceMapURL` using its full path. | | `--max-workers ` | Set the maximum number of workers the worker-pool will spawn for transforming files. Defaults to the number of the cores available on your machine. | | `--assets-dest ` | Specify the directory path for storing assets referenced in the bundle. | | `--reset-cache` | Remove cached files. | | `--read-global-cache` | Attempt to fetch transformed JS code from the global cache, if configured. Defaults to `false`. | | `--config ` | Path to the CLI configuration file. | ## Contributing Changes to this package can be made locally and tested against the `rn-tester` app, per the [Contributing guide](https://reactnative.dev/contributing/overview#contributing-code). During development, this package is automatically run from source with no build step.