appsettings.json

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*",
  "ConnectionStrings": {
    "Enable": "MySql",
    "MySql": "Server=xxxxxx; Port=3306;User Id=root;Password=xxxxx;Database=xxx;Allow User Variables=True",
    "SqlServer": "Data Source=192.168.1.139;Initial Catalog=PTS2;User ID=sa;Password=;Encrypt=False;TrustServerCertificate=False;Pooling=true;max Pool Size=50;min Pool Size=1;MultipleActiveResultSets=True",
    "PostgreSql": "Server=localhost;Database=Simon_blog;User ID=xxxxxx;Password=666",
    "Sqlite": "Data Source=D:/xxx.db;"
  }
}