Increase swap file Raspberry PI

Composer can use a lot of memory to run. A docker container uses the swap file of it’ s host. To increase the swap file of the host run the following script:

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