Implementing CI/CD and continuous deployment

We saw earlier that one of the key DevOps practices is the process of integration and continuous delivery, also called CI/CD. In fact, behind the acronyms of CI/CD, there are three practices:

• Continuous integration (CI)
• Continuous delivery (CD)
• Continuous deployment

What does each of these practices correspond to? What are their prerequisites and best practices? Are they applicable to all?

Let's look in detail at each of these practices, starting with continuous integration.

Continuous integration (CI)

In the following definition given by Martin Fowler, there are three key things mentioned, members of a team, integrate, and as quickly as possible:

"Continuous Integration...