Serilog loggin nothing - asp.net-core-webapi

Question

Hi everyone i have Mcv Api Project and i try to loggin with Serilog, but when i try to invoke my api and logging some text in file/console, its empty, and i can't understand what's wrong
my program.cs
public static void Main(string[] args)
{
var seriliogConfiguration = new ConfigurationBuilder()
.SetBasePath(Path.Combine(Directory.GetCurrentDirectory(), "Configs"))
.AddJsonFile("settings.json")
.Build();
var logger = new LoggerConfiguration()
.ReadFrom.Configuration(seriliogConfiguration)
.CreateLogger();
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.UseSerilog()
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
});
my settings json
{
"Serilog": {
"Using": [],
"MinimumLevel": {
"Default": "Information",
"Override": {
"Microsoft": "Warning",
"System": "Warning"
}
},
"Enrich": [ "FromLogContext", "WithMachineName", "WithProcessId", "WithThreadId" ],
"WriteTo": [
{
"Name": "Console"
},
{
"Name": "File",
"Args": {
"path": "D:\\Logs\\logs.txt",
"outputTemplate": "{Timestamp:G} {Message}{NewLine:1}{Exception:1}"
}
}
]
}
}
and api when i try to exucete logging in file and console
private readonly ILogger<WeatherForecastController> _logger;
public WeatherForecastController(ILogger<WeatherForecastController> logger) => _logger = logger;
public IEnumerable<WeatherForecast> Get() =>_logger.LogInformation("You requested Get()");

Answer 1

Because the Serilog is not injected into Asp.net Core container. The interface called in the controller is not a Serilog method. So the log will not be written to the file. You need to modify Program.cs.
public class Program
{
public static void Main(string[] args)
{
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
var seriliogConfiguration = new ConfigurationBuilder()
.SetBasePath(Path.Combine(Directory.GetCurrentDirectory(), "Configs"))
.AddJsonFile("settings.json")
.Build();
webBuilder.UseSerilog((hostingContext, loggerConfiguration) =>
{
loggerConfiguration.ReadFrom.Configuration(seriliogConfiguration);
});
});
}
I add a log in this action.
[HttpGet]
public IActionResult Get()
{
_logger.LogInformation("This info is in index");
return Ok();
}
In console.
In this log file.