swap + docker

gistfile1.txt

swap space (https://www.digitalocean.com/community/tutorials/how-to-add-swap-space-on-ubuntu-16-04)
----------

fallocate -l 1G /swapfile
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile
nano /etc/fstab
  ...
  /swapfile none swap sw 0 0
nano /etc/sysctl.conf
  ...
  vm.swappiness = 10
  vm.vfs_cache_pressure = 50
  vm.overcommit_memory = 2
  vm.overcommit_ratio = 100
shutdown -r now



docker
------

curl -sSL get.docker.com -o docker-setup.sh
sh docker-setup.sh
rm docker-setup.sh

nano /etc/default/grub
  GRUB_CMDLINE_LINUX="... cgroup_enable=memory swapaccount=1"
update-grub
shutdown -r now

curl -L https://github.com/docker/compose/releases/download/1.18.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

cp /srv/docker/docker-compose-app.service /etc/systemd/system/
systemctl enable docker-compose-app