staff0rd

services
    .AddSingleton<IAmazonS3>(p => {
        var config = new AmazonS3Config
        {
            RegionEndpoint = RegionEndpoint.USWest2,
        };
        return new AmazonS3Client(myAccessKey, mySecret, config);
    });

staff0rd

if (p.GetService<IHostEnvironment>().IsDevelopment())
{
    config.ForcePathStyle = true;
    config.ServiceURL = "http://localhost:4566";
}

staff0rd

services
    .AddSingleton<IAmazonS3>(p => {
        var config = new AmazonS3Config
        {
            RegionEndpoint = RegionEndpoint.USWest2,
        };
        if (p.GetService<IHostEnvironment>().IsDevelopment())
        {
            config.ForcePathStyle = true;
            config.ServiceURL = options.Url;

staff0rd

public async Task<IActionResult> Upload([FromServices] IAmazonS3 s3)
{
    await new TransferUtility(s3)
        .UploadAsync(source, "my-bucket", "some/path/image.jpg");
    return Ok();
}