# dev-server Serve a Next.js app Builder properties can be configured in angular.json when defining the builder, or when invoking it. ## Properties ### buildTarget Type: `string` Target which builds the application ### customServerPath Type: `string` Use a custom server script ### dev Default: `true` Type: `boolean` Serve the application in the dev mode ### port Default: `4200` Type: `number` Port to listen on. ### quiet Default: `false` Type: `boolean` Hide error messages containing server information. ### staticMarkup Default: `false` Type: `boolean` Static markup.