Vue Template Project setup npm install Locale config Create a .env file if it does not exist and add the following lines VUE_APP_I18N_LOCALE=en VUE_APP_I18N_SUPPORTED_LOCALE=en,it VUE_APP_I18N_FALLBACK_LOCALE=en Compiles and hot-reloads for development npm run serve Compiles and minifies for production npm run build Lints and fixes files npm run lint Customize configuration See Configuration Reference.