C4 Model: Visualizing Software Architecture
Your architecture diagram has 40 boxes, 200 arrows, and nobody understands it. The C4 model fixes that with four zoom levels — like Google Maps for your codebase.
9 min
Backend
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Distributed Locks and How to Implement Them with Redis
In distributed systems, ensuring data consistency and preventing race conditions is a major challenge, especially when many processes or services access shared resources concurrently. A distributed lock is an effective way to handle this problem. In this article, I will help you understand what a distributed lock is, why it is needed, the different ways to implement one, and how to build it with Redis.
16 min
CronJob & Cron Expressions
CronJob is an essential tool that lets developers automate tasks on a recurring schedule. To configure a CronJob correctly, however, you need a solid grasp of the Cron Expression - the expression that defines the schedule for your automated jobs. This article introduces CronJob, explains how to build a Cron Expression, and shares some handy tools for creating cron expressions with ease.
10 min
Message Broker
Have you ever wondered what keeps payment services, social networks, and delivery apps running smoothly every single day? The secret lies in the Message Broker - the "invisible connector" that moves information safely and efficiently between systems. Let's explore what a Message Broker really is!
7 min
