void call(Map config = [:], String packageName) {
    publishURL = [ config.nexusBase, config.nexusRepository, config.nexusRepoPath, packageName ].join('/')

    echo 'Info: Publishing...'
    echo "Info: ${publishURL}"
    response = httpRequest httpMode: 'POST',
        authenticate: 'publisher',
        consoleLogResponseBody: true,
        contentType: ' APPLICATION_FORM_DATA',
        url: publishURL,
        wrapAsMultipart: true,
        requestBody: [$class: 'FileRequestBody', file: packageName]

    echo "Response: ${response.content}"
}