Configuring LocalStack with AWS S3 dotnet web api

// AWS S3 configuration
builder.Services.AddDefaultAWSOptions(builder.Configuration.GetAWSOptions());
builder.Services.AddAWSService<IAmazonS3>();

System.Net.Http.HttpRequestException: Name or service not known (prlnk.cdn.localstack-aws:4566)

public async Task<ParkingImage> UploadToParklinkS3(List<IFormFile> files)
{
    const string bucketName = "prlnk.cdn";
    var bucketExists = await Amazon.S3.Util.AmazonS3Util.DoesS3BucketExistV2Async(_amazonS3, bucketName);

    if(!bucketExists)
    {
        try
        {
            var request = new PutBucketRequest
            {
                BucketName = bucketName,
                UseClientRegion = true,
            };

            await _amazonS3.PutBucketAsync(request);
        }
        catch (AmazonS3Exception ex)
        {
            Console.WriteLine($"Error creating bucket: '{ex.Message}'");
        }
    }
  // more code....

}