Example appsettings.json for Umbraco v9

appSettings.Development.json

{
  "$schema": "./umbraco/config/appsettings-schema.json",
  "Serilog": {
    "MinimumLevel": {
      "Default": "Information"
    },
    "Umbraco": {
      "CMS": {
        "Content": {
          "MacroErrors": "Throw"
        },
        "Hosting": {
          "Debug": true
        },
        "ModelsBuilder": {
          "ModelsMode": "SourceCodeAuto",
          "ModelsDirectory": "~/models-builder",
          "AcceptUnsafeModelsDirectory": false,
          "DebugLevel": 0

        },
        "RuntimeMinification": {
          "useInMemoryCache": true,
          "cacheBuster": "Timestamp"
        }
      }
    }
  }