Add your authorized_keys to server

add-ssh-keys.sh

# Deploy user
deploy_user=deploy

# Github usernames for access with ssh to deploy user. They should be separater with one space.
usernames=(ismailakbudak)

# Check user is exist, maybe some errors occurred
id -u $deploy_user &> /dev/null
if [ $? -ne 0 ]
then
  echo "* $deploy_user user does not exists"
else
  # Prepare ssh keys environment    
  echo "* Add .ssh directory to $deploy_user"
  test -d /home/$deploy_user/.ssh
  if [ $? -ne 0 ]
  then
    mkdir /home/$deploy_user/.ssh
    # change user permisisions
    # 700 => (owner read/write/execute, group none, other none)
    chmod 700 /home/$deploy_user/.ssh
    chown $deploy_user /home/$deploy_user/.ssh
  fi

  echo "* Get usernames public keys from GitHub and add them to $deploy_user authorized_keys" 
  for username in ${usernames[@]}; do
    name=$username.keys
    wget https://github.com/$name --no-check-certificate -O $name
    cat $name >> /home/$deploy_user/.ssh/authorized_keys
    rm $name # remove temprory file
  done

  # change user permisisions
  # 600 => (owner read/write, group none, other none)
  chmod 600 /home/$deploy_user/.ssh/authorized_keys
  chown $deploy_user /home/$deploy_user/.ssh/authorized_keys
  echo "* Completed..." 
fi