abp/templates/app-nolayers/aspnet-core/MyCompanyName.MyProjectName.Blazor.Server.Mongo/appsettings.json

{
  "App": {
    "SelfUrl": "https://localhost:44300",
    "RedirectAllowedUrls": "https://localhost:44300"
  },
  "ConnectionStrings": {
    "Default": "mongodb://localhost:27017/MyProjectName"
  },
  "StringEncryption": {
    "DefaultPassPhrase": "gsKnGZ041HLL4IM8"
  }
}