Blog

The Three Pitfalls That Derail Scaleups

Common mistakes that growing companies make when scaling their engineering teams and how to avoid them.

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How AI is Disrupting the Software Development Industry

The rise of AI coding assistants and what it means for developers, architects, and the future of software engineering.

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The Invisible Architect

How the best software architects shape systems without being seen. Exploring the subtle art of technical leadership.

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The Practical Software Architect

Part 3: Understanding Your Goals Before Designing And Implementing Software

Learn why understanding organizational goals and product vision is essential before jumping into technical solutions, and discover practical tools to clarify objectives.

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The Practical Software Architect

Part II: The Software Architect's Toolbox

Discover the essential tools and techniques for software architects to tackle organizational challenges, from stakeholder interviews to architecture forums and decision records.

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The Practical Software Architect

Navigating the First Days as a Software Architect. Part I: Talk to people.

The first days as a Software Architect can be both exciting and challenging. Learn what to do right after landing in this position, starting with the most important task: talking to people.

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Book Updates

Learn Microservices Book: Spring Boot 2.7 Upgrade Guide

The extra chapter for the book's source code update from Spring Boot 2.6 to 2.7 with H2 database fixes and configuration improvements

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Book Updates

Learn Microservices Book: Spring Boot 2.6 Upgrade Guide

The extra chapter for the book's source code update from Spring Boot 2.5 to 2.6 and from Spring Cloud 2020 to 2021.0

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Book Updates

Learn Microservices Book: Spring Boot 2.5 Upgrade Guide

An extra chapter showing how to update the book's source code from Spring Boot 2.4 to 2.5.5 and Java 17

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Sending and receiving JSON messages with Spring Boot AMQP and RabbitMQ

This tutorial shows you how to use RabbitMQ in Spring Boot with guided examples. Includes configuration to serialize your messages using JSON.

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Cucumber Tests in Spring Boot with Dependency Injection

This guide shows you how to configure Dependency Injection for your Cucumber tests in Spring Boot.

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Book Updates

Learn Microservices Book: Spring Boot 2.4 Upgrade Guide

Step-by-step migration guide from Spring Boot 2.3 to Spring Boot 2.4 for the Learn Microservices with Spring Boot book's microservice architecture project

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Cucumber BDD Testing

Using Awaitility with Cucumber for Eventual Consistency checks

Write stable end-to-end Cucumber tests with Awaitility to deal with asynchronous and eventually-consistent systems.

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Cucumber BDD Testing

A Practical Example of Cucumber's Step Definitions in Java

We use a real project as a practical example of how to implement step definitions with Cucumber in Java, and the best practices to keep state between steps.

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Cucumber BDD Testing

Cucumber's skeleton project structure and API Client

Create an example Cucumber project in Java with the right package structure, and add an HTTP Client to connect to the backend system.

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Cucumber BDD Testing

Introduction to Microservice End-to-End tests with Cucumber

An introduction to the benefits of using BDD, Cucumber and its Gherkin syntax for End-to-End tests in a microservice architecture, using Java code examples.

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full-reactive

Full Reactive Stack – Introduction

Build a full end-to-end reactive application with this practical guide that will take you through a real web application example.

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Spring Boot Fundamentals

Spring Boot Auto Configuration

Understand how Spring Boot auto-configuration works under the hood with practical examples of embedded Tomcat configuration and conditional beans.

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Spring Boot Error Handling

Custom Error Handling in REST Controllers with Spring Boot

A practical guide to error handling in Spring Boot for REST controllers. It covers from basic scenarios to more advanced concepts.

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Java and JSON – Jackson Serialization with ObjectMapper

A complete set of examples for serialization and deserialization with Java and JSON for the most common use cases.

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Write BDD Unit Tests with BDDMockito and AssertJ

Learn how to write more readable Unit Tests using a BDD style with AssertJ and BDDMockito.

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Service discovery with Spring Boot Eureka

Run your own Eureka cluster with Spring Boot and learn much more than basic use cases of Service Discovery.

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Full Reactive Stack: Conclusions

Final thoughts and conclusions on building a Full Reactive Stack application

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Full Reactive Stack – The Angular frontend

Building a reactive Angular frontend for our Spring WebFlux application

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Guide to Java's Future and CompletableFuture

Learn the differences between the Future and CompletableFuture implementations in Java and grasp the concepts with these practical examples.

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Full Reactive Stack with Spring Boot, WebFlux and MongoDB

Building the backend of a reactive application with Spring Boot, WebFlux and MongoDB

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Reactive Programming with Java's Flow API

A guide that will show you the basics about Reactive programming concepts with Java: Publishing, Subscribing, Back-pressure, and more.

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Build and Run a Spring Boot Application with Docker

Build and run your Spring Boot application as a Docker container with this practical guide.

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RestController example with Spring Boot and Swagger

A basic example of RestController in a Spring Boot application using @GetMapping and @PostMapping, with API docs generated automatically via Swagger.

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