Docker Installer

docker-installer.sh

#!/usr/bin/env bash

# update the apt package index and install packages to allow apt to use a repository over HTTPS:
sudo apt-get update -y
sudo apt-get install ca-certificates curl gnupg -y
sudo apt-get install python3-pip

# add Docker’s official GPG key:
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg

# set up the 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


# install docker engine
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
sudo docker run hello-world

# docker-compose
pip install -U docker-compose
docker-compose --version

# add the current user to the docker group.
sudo groupadd docker

login-to-a-new-group.sh

newgrp docker

usermod.sh

sudo usermod -aG docker $USER