Using Digital Ocean spaces with S3 Uploads plugin

s3.php

add_filter( 's3_uploads_s3_client_params', function ( $params ) {
	if ( defined( 'S3_UPLOADS_ENDPOINT' ) ) {
		$params['endpoint'] = S3_UPLOADS_ENDPOINT;
	}
	return $params;
}, 5, 1 );

wp-config.php

define('S3_UPLOADS_BUCKET', <space_name>);
define('S3_UPLOADS_REGION', 'ams3');
define('S3_UPLOADS_KEY',<space_access_key>);
define('S3_UPLOADS_SECRET', <space_secret>);
define('S3_UPLOADS_BUCKET_URL', 'https://<space_name>.ams3.digitaloceanspaces.com');
define('S3_UPLOADS_ENDPOINT', 'ams3.digitaloceanspaces.com');