FTP storage
Storage backup file to remote FTP server.
Storage config keys
type: ftp
host
- FTP server hostport
- FTP server port, default:21
path
- FTP remote path for savetimeout
- Set timeout of remote upload, default:300
username
- usernamepassword
- password
https://github.com/huacnlee/gobackup/blob/master/storages/ftp.go