Let’s implement microservices security for real-world use cases Introduction One common argument that people bring against the microservices architecture is that it increases the security risk of the application by expanding the risk surface. This is true in the sense that when we have more microservices exposing functionality to external consumers…

Let’s build enterprise platforms with microservices using NATS Just released! It is a great and humble feeling to release my very first book “Designing Microservices Platforms with NATS” on 19th November 2021 (first edition). You can read it through Amazon, Barnes and Nobel, Packt, and other distributors worldwide. Why another microservices book? I hear you! Why…

How to use open source tools to implement observability for microservices Introduction One of the biggest challenges of distributed system maintenance is the troubleshooting when system fails. This challenge has been further complicated with the microservices architecture since it increases the distributed nature of the solution by design. Hence, it is…

Let’s build an OPD application with microservices Introduction Let’s imagine we have a web application that is developed for a hospital OPD (OutPatient Department). This is a standard Java based web application running on Tomcat. Everything was working fine until recently where there had many outages of the entire application due…

What is changing in the world of integration software and how you can get ready for it Introduction The term “Integration” is used in the enterprise software world with the idea of connecting systems, applications, and data using a set of technologies that are either open standards (HTTP/REST/SOAP/FHIR) or proprietary (Kafka/IDOC/AS400)…

Let’s configure your own IDP to handle security with WSO2 APIM WSO2 API Manager comes with a built-in component called “key manager” which is capable of managing the tokens that are required when accessing APIs. But there can be many situations where an organization might be already using an Identity…

Important points I captured while learning React React applications are made with “components”. A component is a piece in the UI that has its own logic and appearance. We can control the behavior of that component using React. …

An informal introduction to Solution Architecture Introduction The term Solution Architecture refers to a high-level blueprint of a solution that was developed to solve one or more business problems within an enterprise using a technological approach. Building a proper solution architecture requires A good understanding of the business problem or problems…

How to build a CICD pipeline to move APIs across Dev, UAT, and Prod WSO2 API Manager is a complete platform to build, manage and run enterprise-grade APIs within an organization. It supports full API lifecycle management capabilities including API gateway, Developer portal, API security, Rate limiting, Analytics, and many…