Install Docker on a Debian-based system and configure Docker to run without sudo

install_docker.sh

#!/bin/bash

# Step 1: Installing Docker

# Update the package list
sudo apt update

# Install prerequisite packages
sudo apt install -y apt-transport-https ca-certificates curl gnupg2 software-properties-common

# Add Docker's GPG key
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -

# Add Docker repository to APT sources
sudo add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"

# Update package database
sudo apt update

# Check Docker version
apt-cache policy docker-ce

# Install Docker
# sudo apt install -y docker-ce
sudo apt  install -y docker.io  

# Check Docker status
# sudo systemctl status docker

# Step 2: Allowing Docker to be run without sudo (Optional)

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

# Apply the new group membership
sudo su - $USER

# Confirm group membership
id -nG

# install docker compose
DOCKER_CONFIG=${DOCKER_CONFIG:-$HOME/.docker}
mkdir -p $DOCKER_CONFIG/cli-plugins
curl -SL https://github.com/docker/compose/releases/download/v2.29.0/docker-compose-linux-x86_64 -o $DOCKER_CONFIG/cli-plugins/docker-compose
chmod +x $DOCKER_CONFIG/cli-plugins/docker-compose


# Provide instructions to the user
echo "Docker & Docker Compose is now installed and configured to run without sudo."
echo "Please log out and back in or restart your system for the changes to take effect."