There are many, many articles which condemn the use of concerns in a Rails project, and they all have valid points. I mostly agree with the arguments, such as them causing Bi-directional dependencies and arbitrarily splitting up code into multiple files. …

Introduction

In this article you will move your database over to a new server, with only a few seconds of downtime.

Prerequisites

Before you begin this guide you’ll need the following:

• One Ubuntu 20.04 database server running PostgreSQL by following How To Install and Use PostgreSQL on Ubuntu 20.04.

Step 1 — Creating a server

The first step…