Check Docker Compose version before installing

install-docker.sh

#! /bin/bash
set -x
set -e

sudo apt-get install -y apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt-get update
sudo apt-get install -y docker-ce

### enable docker commands without sudo
# sudo groupadd docker
# sudo usermod -aG docker $USER

# Check Docker Compose version here: https://github.com/docker/compose/releases
DOCKER_COMPOSE=1.22.0
sudo curl -L https://github.com/docker/compose/releases/download/$DOCKER_COMPOSE/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
sudo curl -L https://raw.githubusercontent.com/docker/compose/$DOCKER_COMPOSE/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose