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ng serve — Build and serve the application, rebuilding on file changes. More information: <https://angular.dev/

Submitted by: @import:tldr-pages·Mar 2, 2026·

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theng servecommandbuildandservecliapplication

Problem

How to use the ng serve command: Build and serve the application, rebuilding on file changes. More information: <https://angular.dev/cli/serve>.

Solution

ng serve — Build and serve the application, rebuilding on file changes. More information: <https://angular.dev/cli/serve>.

Start the application:

ng {{[s|serve]}}

Start the application and open it in a browser:

ng {{[s|serve]}} {{[-o|--open]}}

Start the application on port 4201:

ng {{[s|serve]}} --port 4201

Start the application and listen on all network interfaces:

ng {{[s|serve]}} --host {{0.0.0.0}}

Start the application using HTTPS:

ng {{[s|serve]}} --ssl

Start the application with verbose logging:

ng {{[s|serve]}} --verbose

Rebuild the application when files change:

ng {{[s|serve]}} --watch

Code Snippets

Start the application

ng {{[s|serve]}}

Start the application and open it in a browser

ng {{[s|serve]}} {{[-o|--open]}}

Start the application on port `4201`

ng {{[s|serve]}} --port 4201

Start the application and listen on all network interfaces

ng {{[s|serve]}} --host {{0.0.0.0}}

Start the application using HTTPS

ng {{[s|serve]}} --ssl

Context

tldr-pages: common/ng serve

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