https://e4developer.com/categories/microservices/ Recent content in Microservices on e4developer https://e4developer.com/images/headshot.png https://e4developer.com/images/headshot.png Hugo en-us Fri, 21 Jun 2019 00:00:00 +0000 https://e4developer.com/posts/code-sharing-in-microservices-architecture-youtube-course/ Fri, 21 Jun 2019 00:00:00 +0000 https://e4developer.com/posts/code-sharing-in-microservices-architecture-youtube-course/ I am very excited to share with you my mini video course on “Code Sharing in Microservices Architecture”. The course consist of 5 videos: This is the first time… https://e4developer.com/posts/microservices-why-do-you-need-a-service-mesh/ Wed, 15 May 2019 00:00:00 +0000 https://e4developer.com/posts/microservices-why-do-you-need-a-service-mesh/ Working for consultancy, I already had a chance to build microservice based systems in large financial organisations as well as public sector ones. https://e4developer.com/posts/software-architecture-in-the-world-of-microservices/ Sun, 02 Dec 2018 00:00:00 +0000 https://e4developer.com/posts/software-architecture-in-the-world-of-microservices/ The topic of software architecture comes up often when discussing microservices. Many newcomers to microservices are not sure how to handle discussing… https://e4developer.com/posts/having-just-the-right-amount-of-technical-debt/ Wed, 21 Nov 2018 00:00:00 +0000 https://e4developer.com/posts/having-just-the-right-amount-of-technical-debt/ Today I want to talk to you about technical debt. This is a topic that comes up a lot and often generates some emotions. Developers often want to have a minimal… https://e4developer.com/posts/single-responsibility-principle-do-you-know-the-real-one/ Thu, 04 Oct 2018 00:00:00 +0000 https://e4developer.com/posts/single-responsibility-principle-do-you-know-the-real-one/ Single Responsibility Principle, as defined in the very famous set of SOLID principles, is often misunderstood. When asked what it means… https://e4developer.com/posts/should-you-use-spring-boot-in-your-project/ Mon, 24 Sep 2018 00:00:00 +0000 https://e4developer.com/posts/should-you-use-spring-boot-in-your-project/ Spring Boot is enjoying, a seemingly never-ending growth of popularity. While only released in 2014, it has managed to overtake the Java serverside in less than… https://e4developer.com/posts/microservices-and-cross-cutting-concerns/ Sun, 09 Sep 2018 00:00:00 +0000 https://e4developer.com/posts/microservices-and-cross-cutting-concerns/ When thinking about microservices, we mostly imagine autonomous teams working on independent services. Despite all that independence, things such as log… https://e4developer.com/posts/java-vs-groovy-for-microservices/ Sun, 26 Aug 2018 00:00:00 +0000 https://e4developer.com/posts/java-vs-groovy-for-microservices/ In the past three years, I was involved in developing microservices architectures. In Java, with Spring Boot and in Groovy with Grails. https://e4developer.com/posts/spring-boot-best-practices/ Mon, 06 Aug 2018 00:00:00 +0000 https://e4developer.com/posts/spring-boot-best-practices/ Spring Boot is the most popular Java framework for developing microservices. In this article, I will share with you the best practices for working with Spring… https://e4developer.com/posts/using-redis-in-microservices-architecture/ Fri, 03 Aug 2018 00:00:00 +0000 https://e4developer.com/posts/using-redis-in-microservices-architecture/ In this article, we will look closer at a fascinating open source project. Meet Redis! You may be familiar with Redis already, in that case… https://e4developer.com/posts/when-to-use-a-java-framework-like-spring/ Sun, 29 Jul 2018 00:00:00 +0000 https://e4developer.com/posts/when-to-use-a-java-framework-like-spring/ I have recently been writing a lot about microframeworks and my enthusiasm for them. Even though I think they are amazing, they are not always the answer. https://e4developer.com/posts/the-key-to-a-successful-software-architecture/ Sat, 21 Jul 2018 00:00:00 +0000 https://e4developer.com/posts/the-key-to-a-successful-software-architecture/ Recently I have read and reviewed “Clean Architecture” by Robert C. Martin. Very entertaining book. It made me think about the main quality that good software… https://e4developer.com/posts/awesome-microservices-discover-technologies-and-theory/ Sun, 15 Jul 2018 00:00:00 +0000 https://e4developer.com/posts/awesome-microservices-discover-technologies-and-theory/ Wouldn’t it be nice if someone would gather all the best resources, projects, technologies and everything else related to microservices? Yes, it would! https://e4developer.com/posts/the-quest-for-simplicity-in-java-microservices/ Sun, 08 Jul 2018 00:00:00 +0000 https://e4developer.com/posts/the-quest-for-simplicity-in-java-microservices/ There is great value in simplicity. When things are simple, they are easier to understand, easier to extend and easier to modify. They are better. https://e4developer.com/posts/microservices-definition/ Mon, 02 Jul 2018 00:00:00 +0000 https://e4developer.com/posts/microservices-definition/ Are you really building microservices? What are microservices? There seems to be a constant disagreement on what constitutes microservices systems and what… https://e4developer.com/posts/cia-world-factbook-api-with-functional-spring/ Fri, 22 Jun 2018 00:00:00 +0000 https://e4developer.com/posts/cia-world-factbook-api-with-functional-spring/ I have recently been very interested in microframeworks. One thing notably missing from that article is Spring in the context of a microframework. https://e4developer.com/posts/the-rise-of-java-microframeworks/ Sat, 02 Jun 2018 00:00:00 +0000 https://e4developer.com/posts/the-rise-of-java-microframeworks/ Together with the growing popularity of microservices and light-weight REST API, we are witnessing another trend in Java: the rise of Java Microframeworks. https://e4developer.com/posts/webflux-in-practice-asynchronous-service-with-webclient/ Thu, 31 May 2018 00:00:00 +0000 https://e4developer.com/posts/webflux-in-practice-asynchronous-service-with-webclient/ Building reactive microservices with WebFlux is fun and easy. In this article, I will show you how to build a reactive “synonyms” service. https://e4developer.com/posts/adopting-microservices-pragmatic-advice/ Fri, 25 May 2018 00:00:00 +0000 https://e4developer.com/posts/adopting-microservices-pragmatic-advice/ Your company wants to adopt microservices. You are either really happy or terrified. A change like this can be great for those wanting to learn and improve… https://e4developer.com/posts/getting-started-with-kafka-in-spring-boot/ Mon, 21 May 2018 00:00:00 +0000 https://e4developer.com/posts/getting-started-with-kafka-in-spring-boot/ Kafka seems to only be gaining in popularity. A few years ago you could mostly see it in Big Data engineering context. These days, Kafka is starting to power… https://e4developer.com/posts/how-to-easily-run-kafka-with-docker-for-development/ Sun, 20 May 2018 00:00:00 +0000 https://e4developer.com/posts/how-to-easily-run-kafka-with-docker-for-development/ Kafka is becoming a popular addition to microservice oriented architectures. Despite its popularity, it may be tricky to run it on your development machine… https://e4developer.com/posts/the-state-of-spring-in-2018-devoxx-uk-impressions/ Sun, 20 May 2018 00:00:00 +0000 https://e4developer.com/posts/the-state-of-spring-in-2018-devoxx-uk-impressions/ Thanks to my company – Scott Logic – I recently had a pleasure of attending the Devoxx UK 2018 conference. Among many interesting talks and speakers… https://e4developer.com/posts/effective-java-microservices-require-effective-java/ Wed, 09 May 2018 00:00:00 +0000 https://e4developer.com/posts/effective-java-microservices-require-effective-java/ Writing good software requires using the right tools. Choosing the right frameworks, libraries and designing smart systems. With all that to learn and worry… https://e4developer.com/posts/spring-data-microservices-data-companion/ Sat, 05 May 2018 00:00:00 +0000 https://e4developer.com/posts/spring-data-microservices-data-companion/ Spring Data is one of the flagship projects of the Spring ecosystem. If you need to work with data- be it SQL, non-SQL, using map-reduce or other… https://e4developer.com/posts/quick-setup-for-spring-cloud-data-flow-with-docker-compose/ Wed, 02 May 2018 00:00:00 +0000 https://e4developer.com/posts/quick-setup-for-spring-cloud-data-flow-with-docker-compose/ Spring Cloud Data Flow requires quite a few dependencies in order to run it. In this blog post, I will show you Docker Compose tool and how it can be used to… https://e4developer.com/posts/springs-webflux-reactor-parallelism-and-backpressure/ Sat, 28 Apr 2018 00:00:00 +0000 https://e4developer.com/posts/springs-webflux-reactor-parallelism-and-backpressure/ Spring Boot 2.0 (and Spring 5) introduced WebFlux as a way to build reactive Microservices. WebFlux is built using Reactor, which introduces completely new… https://e4developer.com/posts/java-websockets-made-simple-with-javalin/ Thu, 26 Apr 2018 00:00:00 +0000 https://e4developer.com/posts/java-websockets-made-simple-with-javalin/ WebSockets is a technology that enables establishing an interactive connection between the front-end and the service. Being an advanced web technology… https://e4developer.com/posts/microservices-the-architecture-of-choices/ Wed, 18 Apr 2018 00:00:00 +0000 https://e4developer.com/posts/microservices-the-architecture-of-choices/ One thing that differentiates microservices architecture from more traditional, monolithic development styles is the number of choices that have to be made. https://e4developer.com/posts/webflux-and-servicing-client-requests-how-does-it-work/ Sat, 14 Apr 2018 00:00:00 +0000 https://e4developer.com/posts/webflux-and-servicing-client-requests-how-does-it-work/ I have previously written about Getting Reactive with Spring Boot 2.0 and Reactor, where I have given an introduction to reactive programming in Spring Boot. https://e4developer.com/posts/introduction-to-concurrency-in-spring-boot/ Fri, 30 Mar 2018 00:00:00 +0000 https://e4developer.com/posts/introduction-to-concurrency-in-spring-boot/ When building services with Spring Boot we have to deal with concurrency. There is this misconception that because of using Servlets and getting a new Thread… https://e4developer.com/posts/lightweight-kotlin-microservices-with-javalin/ Thu, 22 Mar 2018 00:00:00 +0000 https://e4developer.com/posts/lightweight-kotlin-microservices-with-javalin/ Introducing Javalin- a micro-framework for building Simple REST APIs for Java / Kotlin. Learn how to write Javalin “Hello World”, what are the “before, after and request” handlers and other core Javalin concepts. Building executable jar with required dependencies explained. https://e4developer.com/posts/cqrs-a-simple-explanation/ Sun, 11 Mar 2018 00:00:00 +0000 https://e4developer.com/posts/cqrs-a-simple-explanation/ Command Query Responsibility Segregation (CQRS) is a pattern that causes quite a lot of confusion. With the popularity of microservices and the event-based… https://e4developer.com/posts/how-to-learn-spring-cloud-the-practical-way/ Tue, 06 Mar 2018 00:00:00 +0000 https://e4developer.com/posts/how-to-learn-spring-cloud-the-practical-way/ “How do you learn Spring Cloud?” I heard that question posed a few times before in different ways. Here, I will give you my answer on what I think is the best way of learning Spring Cloud. https://e4developer.com/posts/introducing-json-b-with-spring-boot-2-0/ Sun, 04 Mar 2018 00:00:00 +0000 https://e4developer.com/posts/introducing-json-b-with-spring-boot-2-0/ JSON Binding (JSON-B) is the new Java EE standard for converting JSON messages to Java Objects and back. See how it can be used in Spring Boot 2.0 and how does it compare to Jackson and GSON that are already available for some time. https://e4developer.com/posts/building-services-requires-building-teams/ Tue, 20 Feb 2018 00:00:00 +0000 https://e4developer.com/posts/building-services-requires-building-teams/ Microservices are linked to the idea of independent teams. See how vital this idea is to the successful adoption of such highly decoupled architecture. https://e4developer.com/posts/practical-choreography-with-spring-cloud-presentation/ Tue, 20 Feb 2018 00:00:00 +0000 https://e4developer.com/posts/practical-choreography-with-spring-cloud-presentation/ On the 15th February 2018 I had a pleasure to speak at The JVM Roundabout Meetup in London. My topic was “Practical Choreography with Spring Cloud”. https://e4developer.com/posts/getting-started-with-spring-cloud-data-flow/ Sun, 18 Feb 2018 00:00:00 +0000 https://e4developer.com/posts/getting-started-with-spring-cloud-data-flow/ Set up a Spring Cloud Data Flow Server on your local machine. Build an example Stream that takes HTTP traffic, transforms and saves to a file. https://e4developer.com/posts/application-of-grasp-to-microservices/ Tue, 13 Feb 2018 00:00:00 +0000 https://e4developer.com/posts/application-of-grasp-to-microservices/ GRASP stands for General responsibility assignment software patterns. See how this OOP patterns apply to microservices development and design. https://e4developer.com/posts/common-technical-debt-in-microservices/ Sun, 11 Feb 2018 00:00:00 +0000 https://e4developer.com/posts/common-technical-debt-in-microservices/ Common causes of technical debt in Microservices together with practical solutions. See how bad configuration, coupled services and more can affect you. https://e4developer.com/posts/tracing-messages-in-choreography-with-sleuth-and-zipkin/ Fri, 09 Feb 2018 00:00:00 +0000 https://e4developer.com/posts/tracing-messages-in-choreography-with-sleuth-and-zipkin/ Tracing your logs in Choreography with Spring Cloud Sleuth and Zipkin. See how you can map the flow of messages and investigate errors quickly. https://e4developer.com/posts/handling-bad-messages-with-rabbitmq-and-spring-cloud-stream/ Mon, 05 Feb 2018 00:00:00 +0000 https://e4developer.com/posts/handling-bad-messages-with-rabbitmq-and-spring-cloud-stream/ Handling Bad Messages using Dead Letter Queues in RabbitMQ. See how Spring Cloud Stream makes it easy and what can you do to repair and replay messages. https://e4developer.com/posts/the-business-case-for-microservices/ Sat, 03 Feb 2018 00:00:00 +0000 https://e4developer.com/posts/the-business-case-for-microservices/ The business case for microservices. Why companies should be using microservices to save money, get better business outcomes and attract the best people. https://e4developer.com/posts/what-you-need-to-know-about-spring-boot-2-0-rc1/ Wed, 31 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/what-you-need-to-know-about-spring-boot-2-0-rc1/ Spring Boot 2.0 release brings a variety of features. Learn about the changes to the Actuator module, Micrometer introduction, how to migrate and more! https://e4developer.com/posts/setting-up-rabbitmq-with-spring-cloud-stream/ Sun, 28 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/setting-up-rabbitmq-with-spring-cloud-stream/ Setting up RabbitMQ with Spring Cloud Stream step by step. By the end you will see persistent queue together with publisher and consumers subscribed. https://e4developer.com/posts/seven-essential-skills-for-microservices-developers/ Thu, 25 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/seven-essential-skills-for-microservices-developers/ Discussing seven most important skills to become proficient microservices developer. Architecture Knowledge, Domain Modelling, Devops and more… https://e4developer.com/posts/starting-with-microservices-read-building-microservices/ Wed, 24 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/starting-with-microservices-read-building-microservices/ Review of Building Microservices by Sam Newman. Explanation what makes a good introductory book to microservices and why you should read this one. https://e4developer.com/posts/spring-cloud-blueprint-for-successful-microservices/ Mon, 22 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/spring-cloud-blueprint-for-successful-microservices/ Introducing Spring Cloud and its different parts. Learn what you can do with Spring Cloud and why it helps you succeed with microservices architecture. https://e4developer.com/posts/java-enterprise-and-microservices-meet-microprofile/ Sun, 21 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/java-enterprise-and-microservices-meet-microprofile/ Microprofile is the Enterprise Java answer to microservices. This is an introduction to Microprofile with list of current and future features. https://e4developer.com/posts/microservices-toolbox-docker/ Thu, 18 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/microservices-toolbox-docker/ Introduction to Docker for microservices developer. How to use it as a development tool and how it is used for deploying microservices architecture. https://e4developer.com/posts/microservices-toolbox-spring-boot/ Tue, 16 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/microservices-toolbox-spring-boot/ High level introduction to Spring Boot and its popularity. Spring Boot Hello World example and a list of features that make it so successful. https://e4developer.com/posts/microservices-five-benefits-from-the-developer-perspective/ Sun, 14 Jan 2018 00:00:00 +0000 https://e4developer.com/posts/microservices-five-benefits-from-the-developer-perspective/ Looking at the main benefits of microservices for developers. Technical flexibility and architecture strengths discussed among other benefits.