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…

How to move integrations across Dev, UAT, and Production environments with WSO2 Micro Integrator WSO2 Micro Integrator is the successor of WSO2’s open-source enterprise integration product stack which was called WSO2 ESB and WSO2 Enterprise Integrator (EI) in the past. …

How to secure your enterprise systems without compromising user experience Introduction Enterprise software systems mainly consist of applications, data, users (people), and infrastructure. Out of these main aspects, infrastructure security is an area that involves physical components such as people, buildings, and devices. The securing of applications, data and users is…

How to use open source technologies to implement observability for enterprises Introduction Enterprise software systems are complex in nature and failures in such systems are unavoidable. Instead of trying to make a system perfect without any failures, the pragmatic approach is to take necessary measures to respond and resolve the failures…

Let’s give developers what they need to develop great enterprise applications What is developer productivity? Developer productivity is nothing other than how efficiently developers can build services given the business requirements. We can measure developer productivity by using different metrics such as the number of code lines written bugs fixed features added releases done …

How Choreo observability helps developers to build robust applications Introduction One major challenge of distributed systems is observability. If you are developing a system with 10s, 100s, or 1000s of services, then implementing observability at each service so that any failure scenario can be troubleshooted is a tedious task. Developers need…