elsa-core/src/bundles/Elsa.WorkflowServer.Web/appsettings.json

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft.EntityFrameworkCore": "Warning",
      "Microsoft.AspNetCore": "Warning"
    }
  },
  "AllowedHosts": "*",
    "AccessTokens": {
      "SigningKey": "ultra-secure-key"
    }
}