install-docker.sh

#!/bin/bash

# Exit script if any command fails
set -e

# Update packages and install required dependencies
echo "Updating packages and installing dependencies..."
sudo apt-get update
sudo apt-get install -y apt-transport-https ca-certificates curl gnupg lsb-release

# Add Docker’s official GPG key
echo "Adding Docker's official GPG key..."
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

# Add Docker repository
echo "Adding Docker repository..."
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, containerd, and Docker Compose
echo "Installing Docker Engine, containerd, and Docker Compose..."
sudo apt-get update
sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose

# Add your user to the docker group
echo "Adding current user to the docker group..."
sudo usermod -aG docker $USER
newgrp docker

echo "Docker installation completed!"