Run ng serve for a dev server. Navigate to http://localhost:4200/. The app will automatically reload if you change any of the source files.
And for starting server with proxy to backend server you can use npm start
To configure proxy you can goto app root and and open file
proxyconfig.jsonyou can set your proxy server here and proxy options
cd serverand then run npm start
Run ng build to build the project. The build artifacts will be stored in the dist/ directory. Use the --prod flag for a production build.