Install Docker CE for Ubuntu

See official documentation.

Run docker as a non-root user

See official documentation.

Configure docker to be used behind a http proxy

Create the following file /etc/systemd/system/docker.service.d/http-proxy.conf and edit it:

[Service]
Environment=http_proxy=http://user:pass@ip:port
Environment=https_proxy=http://user:pass@ip:port

Test

docker run hello-world

Install docker-compose

See official documentation.

currently, I use docker-compose v1.23.2

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
docker-compose --version