install_docker.sh

#!/bin/bash

# update package index and install packages to allow repos over https
sudo apt update
sudo apt install ca-certificates curl gnupg lsb-release -y

# add docker gpg key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

# setup stable repo
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
  
# install docker engine
sudo apt update
sudo apt-get install docker-ce docker-ce-cli containerd.io -y

# download current stable release of docker compose
sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

# apply executable permissions to binary
sudo chmod +x /usr/local/bin/docker-compose

# give current user rights to run docker without sudo
sudo usermod -aG docker $USER