#!/bin/bash

# Update package lists and upgrade packages
echo "Updating and upgrading packages..."
sudo apt-get update && sudo apt-get upgrade -y

# Install required packages for Docker
echo "Installing required packages..."
sudo apt-get install -y ca-certificates curl gnupg lsb-release

# Create directory for Docker's keyrings
echo "Setting up Docker keyrings..."
sudo install -m 0755 -d /etc/apt/keyrings

# Add Docker's official GPG key
echo "Adding Docker's GPG key..."
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo tee /etc/apt/keyrings/docker.asc >/dev/null

# Set permissions for the GPG key
echo "Setting permissions for Docker's GPG key..."
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add Docker's repository to Apt sources
echo "Adding Docker's repository..."
echo \
	"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" |
	sudo tee /etc/apt/sources.list.d/docker.list >/dev/null

# Update package lists to include Docker's repository
echo "Updating package lists with Docker's repository..."
sudo apt-get update

# Install Docker packages
echo "Installing Docker packages..."
sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

# Verify Docker installation
echo "Verifying Docker installation..."
sudo docker run hello-world

echo "Docker installation complete!"