install docker Ubuntu 22.04

install_docker.sh

#!/bin/bash

# Update the package list
sudo apt-get update

# Install necessary packages
sudo apt-get install ca-certificates curl gnupg

# Create a directory for the keyring
sudo install -m 0755 -d /etc/apt/keyrings

# Download and install the Docker's official GPG key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

# Set permissions
sudo chmod a+r /etc/apt/keyrings/docker.gpg

# Add Docker's apt repository
echo "deb [arch=\"$(dpkg --print-architecture)\" signed-by=/etc/apt/keyrings/docker.gpg] 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 the package list
sudo apt-get update

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

# Test Docker installation
sudo docker run hello-world

# Add a docker group
sudo groupadd docker

# Add the current user to the docker group
sudo usermod -aG docker $USER

# Enable Docker service to start on boot
sudo systemctl enable docker.service

# Disable containerd service to start on boot
sudo systemctl disable containerd.service

echo "Docker installation is complete."
echo "You might need to log out and log back in (or start a new shell session) after running this script to reflect the changes made by usermod."