ng serve

Builds and serves your app, rebuilding on file changes.

ng serve <project> [options]

ng s <project> [options]


Argument Description

The name of the project to build. Can be an application or a library.


Option Description

Build using Ahead of Time compilation.


Base url for the application being built.


Target to serve.


EXPERIMENTAL Output file path for Build Event Protocol events


Use a separate bundle containing code used across multiple bundles.


A named build target, as specified in the "configurations" section of angular.json. Each named target is accompanied by a configuration of option defaults for that target. Setting this explicitly overrides the "--prod" flag

Aliases: -c


URL where files will be deployed.


Don't verify connected clients are part of allowed hosts.

Default: false



Output in-file eval sourcemaps.

--help= true|false|json|JSON

Shows a help message for this command in the console.

Default: false


Enable hot module replacement.

Default: false


Show a warning when the --hmr option is enabled.

Default: true


Host to listen on.

Default: localhost


Whether to reload the page on change, using live-reload.

Default: true


Opens the url in default browser.

Default: false

Aliases: -o


Enables optimization of the build output.


Enable and define the file watching poll time period in milliseconds.


Port to listen on.

Default: 4200


Shorthand for "--configuration=production". When true, sets the build configuration to the production target. By default, the production target is set up in the workspace configuration such that all builds make use of bundling, limited tree-shaking, and also limited dead code elimination.


Log progress to the console while building.


Proxy configuration file.


The URL that the browser client (or live-reload client, if enabled) should use to connect to the development server. Use for a complex dev server setup, such as one with reverse proxies.


The pathname where the app will be served.


Show a warning when deploy-url/base-href use unsupported serve path values.

Default: true


Output sourcemaps.


Serve using HTTPS.

Default: false


SSL certificate to use for serving HTTPS.


SSL key to use for serving HTTPS.


Use a separate bundle containing only vendor libraries.



Resolve vendor packages sourcemaps.


Adds more details to output logging.


Rebuild on change.

Default: true

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