S3Kit

//let result = try S3.with(credentials: credentialsPath).upload(file: fileURL, to: bucket)
let result = try S3.with(key: "1234" and: "secret1234").upload(file: fileURL, to: bucket)
var description = result.response.description
if let data = result.data as? Data {
    if let text = NSString(data:data, encoding:String.Encoding.utf8.rawValue) as? String {
        description += "\n\(text)"
    }
}