install-docker.bash

#!/bin/bash

# Docker for ubuntu
apt-get update
apt-get install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
apt-key fingerprint 0EBFCD88
add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
apt-get update
apt-get install -y  docker-ce
curl -L https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m) -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

echo "{\"dns\": [\"1.1.1.1\"],
 \"log-driver\": \"json-file\",
 \"log-opts\": { \"max-size\": \"50m\", \"max-file\": \"3\" }
}" > /etc/docker/daemon.json

service docker restart

# Swap
fallocate -l 4G /swapfile
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile
echo '/swapfile none swap sw 0 0' | tee -a /etc/fstab

sysctl vm.swappiness=10
sysctl vm.vfs_cache_pressure=50
echo 'vm.swappiness=10' >> /etc/sysctl.conf
echo 'vm.vfs_cache_pressure=50' >> /etc/sysctl.conf

wget https://github.com/docker/compose/releases/download/v2.3.4/docker-compose-linux-x86_64
mv docker-compose-linux-x86_64 /usr/libexec/docker/cli-plugins/docker-compose
chmod +x /usr/libexec/docker/cli-plugins/docker-compose