add dependency injection .net core console app
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
public class Program
{
public static void Main(string[] args)
{
//setup our DI
var serviceProvider = new ServiceCollection()
.AddLogging()
.AddSingleton<IFooService, FooService>()
.AddSingleton<IBarService, BarService>()
.BuildServiceProvider();
//configure console logging
serviceProvider
.GetService<ILoggerFactory>()
.AddConsole(LogLevel.Debug);
var logger = serviceProvider.GetService<ILoggerFactory>()
.CreateLogger<Program>();
logger.LogDebug("Starting application");
//do the actual work here
var bar = serviceProvider.GetService<IBarService>();
bar.DoSomeRealWork();
logger.LogDebug("All done!");
}
}