When composer gives you memory trouble on a cheapo box

memory_swap.sh

#!/bin/bash
# rm -rf memory_swap && wget -O memory_swap https://gist.githubusercontent.com/saxenap/bacff36fe17960e4d4160a581a4a363d/raw/ && chmod 777 memory_swap && ./memory_swap

df -h 
dd if=/dev/zero of=/swapfile bs=1M count=1024
sudo dd if=/dev/zero of=/swapfile bs=1M count=1024
mkswap /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
echo 'echo "/swapfile  none  swap  defaults  0  0" >> /etc/fstab' | sudo sh

free -m