📦 Chapter 12: Installing Docker and MariaDB

In this chapter, we’ll install Docker on an Oracle Linux 7 (ARM) server and launch a MariaDB container. This MariaDB instance will serve as the centralized database for all compatible applications — simplifying management.

🐧 Step 1: Install Docker on Oracle Linux 7 (ARM)

Run the following commands:

• Update System Packages

sudo yum update -y

• Install Yum Config-manager

 yum install -y yum-utils

• Add Docker repository to Oracle Linux and Update Repo

sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum update

• Command to install Docker-Ce on Oracle Linux

sudo yum install docker-ce docker-ce-cli containerd.io

sudo yum-config-manager --enable ol7_developer