In this post, I show how to create long-running background jobs using Trigger.dev and NestJS framework. I have been playing around on how to write cron jobs that listen and do things on certain events. You can write a simple cron job that runs on a schedule to check something. What if you want to […] The post Long Running Background Jobs With Trigger Dev and NestJS appeared first on Code Complete ..read more

If you are wondering, what does a staff engineer do? OR what exactly are different areas of work that staff engineers can contribute to? OR what are the top characteristics of a good staff engineer? Then you are at the right place. In this post, I cover the 7 key characteristics of a good staff […] The post 7 Key Characteristics of a Good Staff Engineer appeared first on Code Complete ..read more

In this post, I want to talk about 3 dimensions every engineer can consider while building a good product. If a product exists, it must solve a pain, or a problem OR at least elevate the experience of the user if there was never a problem before. A good example of this is the iPod. […] The post Three Dimensions of Product Building appeared first on Code Complete ..read more

In this post, I demonstrate how to use an event-emitter technique in a NestJS application. This particular technique is part of the NestJS framework. But you can learn about the fundamentals of event-driven architecture and event-sourcing in microservices. Introduction Events-based architecture is helping to build scalable applications. The major advantage of this architecture pattern is […] The post How To Use Event Emitter Technique in NestJS App appeared first on Code Complete ..read more

1. Introduction In this post, I want to talk about observability and how to design a system with observability. Observability just means watching and understanding internal state of a system through external outputs. But what exactly are we watching when it comes to systems or microservices? We’ll dig into that. In one of my previous […] The post Why Observability Matters in System Design appeared first on Code Complete ..read more

In a Test-Driven Development, everything starts with writing the tests first. In this post, I discuss handling flakiness in automated tests. If you start your development by writing the tests first, it can help with setting up some assumptions. The challenge with this is that you are not always aware of edge cases. As the […] The post Handling flakiness in the Automated Tests appeared first on Code Complete ..read more

In this post, I will show how to use a custom protocol mapper with Keycloak. In my previous post, I showed how to use keycloak as an identity-broker. This post focuses on how to use Keycloak for retrieving custom attributes during authentication. Keycloak offers basic attributes like sub, iss in the access token or id […] The post Using Custom Protocol Mapper with Keycloak appeared first on Code Complete ..read more

In this post, I will show how to use Keycloak as an identity broker. If you want to learn more, you can follow the guide on how to use keycloak with spring boot application. What you will need Keycloak Postgres Database Service Provider Application (We are using a spring boot application) Identity Provider What is […] The post How To Use Keycloak as Identity Broker appeared first on Code Complete ..read more

With this post, we will start a series of posts to build a full-stack application using NestJS. NestJS is a popular framework to build scalable and efficient Node.JS server-side applications. Techstack To build this application, we will be using multiple different frameworks. Backend – NestJS with Typescript Frontend – NextJS with Typescript Database – MySQL […] The post Build a NestJS Full Stack Application – Part I appeared first on Code Complete ..read more

In this post, I will show how to use the new feature of Flows with Bull Queue using NestJS application. If you are new to using Bull Queue, here is my previous post about using bull queue in NestJS application. What are Flows? Flows are the new feature from Bull Queue. With this feature, we […] The post Using Flows with Bull Queue in a NestJS Application appeared first on Code Complete ..read more