Upload folder to a FTP using lftp command.

go prod ftp

#!/bin/bash
read -p "Are you sure you want to go to production? <y/N> " prompt
if [[ $prompt =~ [yY](es)* ]]
then
  echo "---- UPDATE example.net SITE ----"
  HOST="ftp.example.net"
  USER="username"
  PASS="password"
  FTPURL="ftp://$USER:$PASS@$HOST"
  LCD="/Users/username/Sites/project-name"
  RCD="/public_html"
  lftp -c "set ftp:list-options -a; \
  open '$FTPURL'; \
  lcd $LCD; \
  cd $RCD; \
  mirror --reverse --delete --only-newer --use-cache --verbose --allow-chown \
  --allow-suid --no-umask --parallel=2"
else
 echo "Becarefull, bye !!"
fi