$ yarn install --dev $ yarn serve yarn run v1.19.0 $ vue-cli-service serve INFO Starting development server... 98% after emitting CopyPlugin DONE Compiled successfully in 2393ms 11:58:02 AM App running at: - Local: http://localhost:3030/ - Network: http://{network_ipaddr}:3030/ Note that the development build is not optimized. To create a production build, run yarn build.