Available courses

📥 Data Migration: From Legacy to Event-Driven Architecture

Learn how to migrate data from legacy code to an event-driven architecture.

🗺️ Hemav Audit

Audit session where we review the Software Design and Architecture of Hemav.

☄️ Spark: Best Practices and Deployment

Learn how to take Spark to production by following best practices in deployment.

🐇 Spark: Integration with Kafka, Rabbit, and SQS

Learn to integrate Spark with queue systems (Kafka, RabbitMQ, and AWS SQS).

⭐ Spark for Developers

Learn to go from data to decisions using Apache Spark.

🕵️ AI: Search Engine with Custom Data Using RAG

Learn and apply RAG to perform semantic searches in your database.

📑 Practical Case: Aggregates and Read Model in DDD

Learn practically how to model your Aggregates in a scalable, maintainable, and testable way.

🧽 Clean Code

Apply Clean Code to your code to make it more maintainable, scalable, and testable.

💥 Domain Modeling: Exceptions vs Errors

Learn to model the errors that occur in your application in a maintainable way.

🤝 Infrastructure Design: Transactions

Learn how and where to add transactions in your application to make it more maintainable.

💾 Infrastructure Design: Cache

Caches are a workaround, but a workaround in the right place improves the performance and maintainability of your application.

👁️ Infrastructure Design: Views

Use views and materialized views to scale your application.

🦙 Add Artificial Intelligence Following Best Practices

Add AI to your website following software best practices.

📽️ Domain Modeling: Projections

Master Projections in software design to make your applications more maintainable, scalable, and testable.

🏗️ Infrastructure Design: AWS SQS as a Messaging Queue

Add scalability to your application using AWS SQS with an optimal queue design.

🎼 Design Patterns: Criteria

Use the Criteria Design Pattern to adhere to SOLID principles in your use cases and repositories.

🐰 Infrastructure Design: RabbitMQ as a Messaging Queue

Add scalability to your application using RabbitMQ with an optimal queue design.

🪖 Infrastructure Design: Inheritance Mapping in PHP

Inheritance can be good. In this course, we see how to take that concept to the database.

🖼️ Next.js: Open Graph Images

Generate dynamic images in your Next.js projects for sharing on social media.

🌩️ Issues with DDD: Error Handling in Domain Events

Delve into the main issues when publishing and consuming domain events.

🏮 Linting in PHP

Add a coding standard to your PHP project or create a new one by extending PSR and PER standards.

🐉 Domain Modeling: Domain Events

Master Domain Events in software design and make your applications more maintainable, scalable, and testable.

🔍 Static Code Analysis in PHP

PHP is not a compiled language, but with static code analysis, we can reap its benefits.

🫚 Domain Modeling: Aggregates

Master Aggregates in software design and make your applications more maintainable, scalable, and testable.

🎨 Best Practices with CSS: Colors

Master the use of colors in CSS to create visually stunning and accessible sites. Use modern CSS such as lch for color management.

🚋 Advanced TypeScript: Improve Your Developer eXperience

Learn how to enhance the definition of your functions with utility types, const type parameters, and satisfies that will allow you to gain robustness and ease of use in your day-to-day tasks.

🍉 Grafana

Learn to visualize and analyze historical and/or real-time data, create interactive dashboards, and configure your custom alerts.

🗃️ Domain Modeling: Repositories

The Repository pattern is one of the easiest to understand, but also one of the easiest to implement incorrectly. In the course, we see how to avoid this.

🎠 Create your library in React: Carousel

Learn how to develop your own JavaScript library for React by joining us in the creation of the Carousel for our website while following best practices.

🏎️ Solving Type Challenges

Diving deeper into TypeScript through advanced challenges.

🧲 Domain Modeling: Value Objects

The Value Object pattern is one of the most well-known, but also one of the most hated. In the course, we see how to make the most of it and how to facilitate its use to turn that hate into love.

⏳ Asynchrony in JavaScript

Master asynchrony in JavaScript: understand and efficiently apply concepts such as callbacks, promises, async/await, and other asynchrony methods in your projects.

🛠️ Visual Studio Code: Productivity and Setup

Boost your productivity by making the most of Visual Studio Code. From a minimalist appearance to mastering all its hidden shortcuts.

🧿 DDD, Microservices and Infrastructure in Audiense, Genially and Codely

Sessions where we talk about DDD, Microservices, and Infrastructure in Audiense, Genially, and Codely.

💼 Live Web Portfolio from Scratch: Next.js vs Gatsby

A series of live sessions comparing the creation of a web portfolio using Next.js and Gatsby, both deployed on different platforms, allowing you to learn and compare the technologies.

🧇 Hexagonal Architecture in Frontend

Learn how to implement Hexagonal Architecture in your frontend applications

✈️ Web Audit: Ryanair

We analyze the performance, accessibility, and UX of the Ryanair website live

🪐 Terraform: Best Practices for Managing Your Infrastructure as Code

When working with cloud infrastructure, you must prepare to make any changes without any risk. In this course, we explain how to version and automate all of your application's infrastructure.

🥢 Best Practices with CSS: Selectors

Learn to apply best practices to your CSS selectors by understanding the fundamentals well.

🎲 Data Processing in Bash: Manage JSON, XML, YAML Files

Bash is the most famous scripting language there is. Learn to leverage its full potential to manage our JSONs, YAMLs…

🌞 Holaluz Audit

Audit session in which the design and software architecture of a part of Holaluz's systems is reviewed.

🎛️ React from 0 applying best practices

Get introduced to React from scratch by creating your personal developer dashboard where you can check the metrics of your favorite repositories.

💎 HTTP API in Kotlin Applying Hexagonal Architecture

Learn to develop your first HTTP API in Kotlin applying some of the fundamentals of Hexagonal Architecture.

🛰 DDD in TypeScript: Communication Between Services and Applications

Communicate services and applications using Domain-Driven Design (DDD) and TypeScript, enabling software and teams to scale progressively.

🔦 Linting in JavaScript and TypeScript

Learn to make the most of ESLint to take your code to the next level.

🪆 Develop Figma Plugins with TypeScript

Take a step further and develop maintainable, scalable, and testable plugins for Figma with TypeScript. Design and development go hand in hand.

🐝 Behavioral Design Patterns

Learn the implications at the SOLID level and maintenance of Behavioral Design Patterns.

🚜 Advanced TypeScript: Beyond any

In this course, we will lay the foundations of advanced TypeScript with the aim of establishing the basic knowledge for future courses where we will delve deeper into other aspects of this development tool.

🍍 Structuring the Codely Website from Scratch

We will take a design from Figma to a production website, with a scalable design system while considering performance, SEO, and accessibility.

🏵️ Log Management with Loki and Grafana

Learn how to manage your logs with Grafana and Loki, best practices, and how it differs from the ELK stack

🎤 Interviews about eXtreme Programming

Additional content for the eXtreme Programming course

♻️ TDD: Test-Driven Development

Learn Test-Driven Development (TDD) and the different ways and styles to apply it in Real World™️ applications

 Setup macOS for Programming

Set up your Mac computer just like Nino and Rafa do to program as comfortably as possible.

⚡ Lightning Talks

10-20 minute talks on various topics. So far, they were internal to the Codely team, but… if they add value to us, they might to you too

🧑‍🔬 eXtreme Programming

Discover the practices of eXtreme Programming and its application in the Real World™

🐈 Introduction to Kotlin: Your First App

Develop your first console command with Kotlin while learning what makes this language so powerful.

🐷 Audits and Support

Audit session in which the design and software architecture of part of your systems are reviewed, along with Support where we help you improve your learning.

🔷 DDD in TypeScript: Modeling and Architecture

Step by step create your TypeScript application following Domain-Driven Design.

🍥 State Management in React

Learn about the different tools you can use to manage state in your React application.

🌪️ Web Performance

Learn how to optimize your web applications and create a performance culture to maintain it in the long term.

🏭 Design Patterns: Creational

Learn the implications at the SOLID level and maintenance of Creational Design Patterns.

🤸 Mastering CSS Flex

Learn how to fully leverage CSS Flex to create adaptable layouts easily.

⬆️ From JavaScript to TypeScript

Learn TypeScript starting from a JavaScript example where we will gradually refactor the code while analyzing the main features of TypeScript.

🎶 Maintainable and Scalable Symfony

Learn tools and practices with Symfony to achieve greater maintainability and scalability of your applications.

🍱 Deep Dive into CSS Grid

Learn how to take advantage of CSS Grid to create flexible layouts without the need for frameworks.

🎥 Exclusive CodelyTV Pro Live Streams

Exclusive live streams addressing questions, holding debates, and preparing upcoming courses based on your feedback

🐧 Setting Up Linux for Programming

Set up your computer with Linux just like Dani has it for the most comfortable programming experience possible.

🧹 Refactoring Code Smells to Clean Code: Change Preventers

Learn to detect and deal with code that generates resistance to change. A course focused on Code Smells of the Change Preventers type.

🐥 Modern JavaScript

Learn best practices to start vanilla JavaScript applications from scratch and refactor legacy code to support older browsers.

🌚🌝 Accessible Light & Dark Themes

Learn how to implement accessible light and dark themes on a web page, how to integrate it into your CSS architecture, and how to adapt the designs to create stunning themes.

⛳ HTTP API in Go Applying Hexagonal Architecture

Learn how to develop your first HTTP API in Go by applying some of the fundamentals of Hexagonal Architecture.

🐙 Testing in Frontend

Learn how to test your frontend applications by applying best practices to achieve maintainable tests that provide confidence.

🎱 Karabiner: Keyboard Shortcuts for Everything

Automate everything on your Mac with keyboard shortcuts and improve your productivity!

🗼 CSS Architecture

Learn the fundamentals of good CSS architecture so your styles are easy to maintain and scale.

🐘8️⃣ PHP 8: News and Examples for the Real World™

Migrate your applications to PHP 8 step by step, achieve more maintainable tests thanks to Named Arguments, simpler Value Objects with Constructor Property Promotion, replace PECL (deprecated), and much more.

✌️ Vue 3: New Features Applied to the Real World

We will see how to leverage the new features of Vue 3 with real examples and applying best practices.

📐 Best Practices with CSS: Layouts

Master CSS layouts to create sites with a maintainable and scalable structure.

🧼 Refactoring Code Smells to Clean Code: Bloaters

Learn to detect and deal with incomprehensible code 🤟

⌨️ Mechanical Keyboards

Build your perfect and fully customized keyboard

🐂 Makefiles

Centralizing tasks in our applications is very important, and Makefiles simplify this significantly.

🔥 Monitoring with Prometheus

Observability is one of the most important aspects of programming, and Monitoring is one of its main pillars.

👁‍🗨 Visualize Prometheus Metrics with Grafana

Learn how to create a dashboard of 10 using Grafana with Prometheus as the datasource.

💻 Bash for Everyday: Scripting & Productivity

Learn to use the Swiss Army Knife of programmers 😬

🌈 Notion: Team Productivity

Centralize all your work team's documentation and task management in one single tool: Notion.

🚀 Everything about dotfiles

Learn to automate, centralize, and share all your configurations thanks to dotfiles.

💨 Productivity with iTerm: macOS Terminal

We will see how to have a super fast and very productive terminal thanks to some simple (and hidden) tips.

🤖 Automate Your Workflow with GitHub Actions

We will create our own actions (we'll even publish one in the Marketplace!) that can be very useful in our daily lives.

👨‍💻 100% Productive Terminal with Zsh

Achieve being a Productivity Raptor™ with your terminal thanks to Zsh, Oh My Zsh, Zim, and advanced functions.

⚙️ Continuous Integration with GitHub Actions

Achieve a reliable and super-fast Continuous Integration! With GitHub Actions, we'll see how to achieve it.

✊ Maximizing IntelliJ

Boost your productivity by maximizing IntelliJ! Achieve a minimalist look, create files with custom templates, secret shortcuts, and much more.

☕ DDD in Java

Step by step create your Java application following Domain-Driven Design. Folder structure, integration with DB, queue system, CQRS and more.

🐘 DDD in PHP

Step by step create your PHP application following Domain-Driven Design. Folder structure, database integration, queuing system, CQRS, and more.

🔀 Git: Introduction and Team Work

Learn to work in a team with Git and make the most of advanced aspects such as debugging, merge strategies, and much more.

👶 Introduction to Go: Your First App

Develop your first console command with Go while learning what makes this trendy language different.

✅ Testing: Introduction and Best Practices

Learn what testing brings, how to test, and best practices to prevent maintaining your tests from becoming a nightmare with examples from The Real World™

📊 ELK: Centralize logs with Elastic Stack

Learn how to set up a stack to exploit all the information from your logs thanks to Elasticsearch, Logstash or Beats, and Kibana

🗿 Domain-Driven Design: DDD Applied

Learn to model your applications focusing on your domain, define Bounded Contexts, aggregates, value objects, and much more. All in a practical way with code examples.

🤏 Migrating to VueJS Progressively

Learn how to migrate an existing frontend to Vue.js starting from HTML, CSS, and JS generated by the backend

⛵ Kubernetes for Developers

Learn to orchestrate Docker containers and deploy them on Azure, GCE, or AWS following best practices

🧱 Applied SOLID Principles

If you already know how to develop software but want to take a step further and improve the quality of your code, this is your course

💬 Communication Between Microservices: Event-Driven Architecture

Publish and consume domain events, eventual consistency, RabbitMQ and AWS SNS-SQS, migration from monolith to services, and much more.

🥒 Good Practices of BDD with Gherkin

You will learn from the basic concepts to test your application with Cucumber or Behat, to best practices tips to make your test suite more easily maintainable.

ƛ Functional Programming: Refactoring OO to TypeClasses

Introduction to pure functional programming in Scala and its advantages through type classes.

🐳 Docker: From 0 to Deploy

Learn what Docker is and how to make the most of containers. Starting from the beginning, we will see how to use Docker to run your application locally as if it were in production, starting a database with Docker Compose.

🤹 CQRS and Event Sourcing with Kotlin and Axon Framework

We will learn what Event Sourcing is and how it complements the CQRS architecture. The practical part of the course will consist of developing a shopping cart for an ecommerce using Kotlin and the Axon framework.

🗣️ Your First HTTP API with Scala

Having completed the first introductory course on Scala, we can now get into the subject and develop our first HTTP API with Scala, Akka, database, and much more.

📈 AWS: Scaling apps - Load Balancers and Auto Scaling Groups

José Armesto will continue the series of courses on AWS discussing how to scale. We will introduce AWS Load Balancers and Auto Scaling Groups.

🎯 Hexagonal Architecture

Domain-Driven Design relies on Hexagonal Architecture as one of its technical pillars. Learn how to implement it with CodelyTV!

🌀 Introduction to Scala

Scala is a concise, less verbose language that allows functional programming without forgetting object-oriented programming. We will learn how to set up the environment, the basics of the language, asynchrony and other tips to get started.

☁️ AWS EC2: Your First Deploy

Learn the basics of Amazon Web Services to deploy your application in the cloud. Create your own VPC, choose the right EC2 instance, configure SSH, select your base AMI, define Security Groups, deploy, and configure Route53 as DNS!

🚌 CQRS: Command Query Responsibility Segregation

Increase the performance and decoupling of your backend through CQRS. We will explore concepts and implementations of synchronous and asynchronous buses.