based on official instructions from https://docs.docker.com/compose/install/

install_docker-compose_on_linux

# loading the docker-compose from the github repo via curl
sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

# If the command docker-compose fails after installation, check your path. 
# You can also create a symbolic link to /usr/bin or any other directory in your path.
sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose

# to test execute: docker-compose --version
# which should give you: "docker-compose version 1.23.2, build 1110ad01"