.NET Web Application - Logging - Add Azure App Service Diagnostics and Application Insights Logging Providers

Startup.cs

// Program.cs for a web application
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>();
                webBuilder.ConfigureLogging((hostingContext, loggingBuilder) =>
                {
                    loggingBuilder.ClearProviders();
                    loggingBuilder.AddJsonConsole(options =>
                    {
                        options.IncludeScopes = false;
                        options.TimestampFormat = "hh:mm:ss ";
                        options.JsonWriterOptions = new JsonWriterOptions
                        {
                            Indented = true
                        };
                    });
                    
                    // Application Insights, just add instrumentation key inside double quotes
                    loggingBuilder.AddApplicationInsights(instrumentationKey: "");

                    // Azure App Service Diagnostics
                    loggingBuilder.AddAzureWebAppDiagnostics();
                });
            });
}

// Startup.cs
public class Startup 
{
    public void ConfigureServices(IServiceCollection services)
    {
        // Azure App Service File Logger Options
        services.Configure<AzureFileLoggerOptions>(options =>
        {
            options.FileName = "azure-diagnostics-";
            options.FileSizeLimit = 50 * 1024;
            options.RetainedFileCountLimit = 5;
        });

        // Azure App Service Storage Account Blob Logger Options
        services.Configure<AzureBlobLoggerOptions>(options =>
        {
            options.BlobName = "log.txt";
        });

        services.AddControllersWithViews();
    }
    
    // Some other code 
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        // Some Code....
    }
}