install_docker.sh

#!/bin/sh

echo "--> Installing docker"
sudo apt-get update -y
sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

curl \
    -fsSL https://download.docker.com/linux/ubuntu/gpg \
    | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] \
   https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt-get update -y
sudo apt-get install docker-ce docker-ce-cli containerd.io

echo "--> Run docker without sudo"
getent group docker || sudo groupadd docker # check whether 'docker' group exists and add if non-existent
sudo usermod -aG docker $USER
newgrp docker
docker run hello-world

echo "--> Installing docker compose v2"
mkdir -p ~/.docker/cli-plugins/
curl -SL https://github.com/docker/compose/releases/download/v2.2.3/docker-compose-linux-x86_64 \
  -o ~/.docker/cli-plugins/docker-compose
chmod +x ~/.docker/cli-plugins/docker-compose

echo "--> Install compose switch"
curl -fL https://raw.githubusercontent.com/docker/compose-cli/main/scripts/install/install_linux.sh \
 | sh