To get the latest Docker version on your existing Ubuntu or to get any Docker version onto the latest Ubuntu version, Docker Docs have instructions for performing a binary install.
1. Install static binaries
2. Manage Docker as a non-root user

If you want Docker to start automatically on boot.
1. Manually create the systemd unit files
2. Configure Docker to start on boot

Written by Mark Brownsword

I've been working as an enterprise developer for more than 15 years, always using .NET platform and recently building for iOS with Swift. My degree is in Business Studies, majoring in information systems, where I learnt the fundamentals of software engineering for building systems for business.