1. 首先，在ASP.NET Core应用程序中安装Microsoft.AspNetCore.Diagnostics.AspNetCore.Diagnostics.Entities NuGet包。

Install-Package Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore

2. 接下来，在Program.cs文件中修改CreateHostBuilder方法，以启用崩溃转储：

public static IHostBuilder CreateHostBuilder(string[] args) =>
    Host.CreateDefaultBuilder(args)
        .ConfigureWebHostDefaults(webBuilder =>
        {
            webBuilder.UseStartup();
            webBuilder.ConfigureServices(services =>
            {
                services.AddCrashDumps(Configuration.GetSection("CrashDumps"));
            });
        });

3. 然后，在appsettings.json文件中添加以下配置：

{
  "CrashDumps": {
    "Enabled": true,
    "FolderPath": "./crash-dumps",
    "S3BucketName": "my-bucket",
    "S3BucketRegion": "us-west-2",
    "S3AccessKeyId": "access-key-id",
    "S3SecretAccessKey": "secret-access-key"
  }
}

4. 最后，在Startup.cs文件中添加以下扩展方法：

using Amazon.S3;

public static class CrashDumpsExtensions
{
    public static IServiceCollection AddCrashDumps(this IServiceCollection services,
        IConfigurationSection configuration)
    {
        var options = configuration.Get();
        if (!options.Enabled)
            return services;

        services.AddSingleton();

        services.AddAWSService(new Amazon.S3.AmazonS3Client(
            options.S3AccessKeyId,
            options.S3SecretAccessKey,
            RegionEndpoint.GetBySystemName(options.S3BucketRegion)
        ));

        return services;
    }
}

其中，CrashDumpsOptions是一个包含所有必需选项的POCO类，CrashDumpsExceptionHandler是一个IExceptionHandler实现，用于在崩溃时自动转储到AWS S3存储桶中。