Chapter 1. What I learned from DDD. Basic concepts

DDD, Hexagonal Architecture, Event Sourcing, Ubiquitous Language …

Gerardo Fernández
5 min readAug 6, 2021

One of the purposes of the year 2020 was to deepen the DDD approach and hexagonal architecture using my favorite framework (Symfony) as a starting point. I have already mentioned some of the ideas that I extracted in the symfony course that you have available on my YouTube channel.

Today I begin a series of articles in which I will shape all the notes I took over the past year with the aim of bringing you a little closer to the fundamental ideas on which DDD is based.

Will you accompany me?

What is DDD?

The idea of the DDD approach (acronym for Domain — Driven — Design) is very simple: align all the teams involved in the development of a product:

  • Achieve fluid and two-way communication between the business team and the development team.
  • Ensure that the developed product meets business expectations.
  • Facilitate the iterability and maintainability of the product.

This is why “ubiquitous language” is so important in DDD. Defining it at the beginning of the development of a long-range product is what will allow software and business to work…

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Gerardo Fernández

Entre paseo y paseo con Simba desarrollo en Symfony y React