How to Protect a Microservices Architecture with a WAF Without Losing Service Ownership
Microservices make it easier to deploy services independently, but they also create more public entry points, more routing rules, and more places wh…
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Optimizing CI/CD Workflows for Microservices: Image Tagging, Deployment, and Toolchain Strategies Across Environments
Introduction: Navigating the Complexity of Microservices CI/CD Microservices architectures have transformed application development by enabling scal…
The Architecture Decision I'd Reverse Today
Boundaries Before Networks The slide was titled "Target Architecture." Five boxes. Five services. Clean arrows between them: Users, Billing, Notific…
How to Prevent Retry Storms in Microservices
Quick Answer: A retry storm occurs when deeply nested microservices independently retry failed downstream requests, causing exponential traffic ampl…
Distributed Transactions in Practice: 2PC vs Saga Orchestration and Compensating Workflows
In monolithic architectures, ACID transactions are taken for granted. A single BEGIN TRANSACTION and COMMIT block guarantees atomicity across tables…
The Book of Microservices
1. The Monolith In the beginning, there was a monolith. And the monolith was large. Very large. It had been carefully curated over many years by chi…
The Trace Ends Where The Message Starts
The synchronous path is one tree; everything after the publish is another one - and the audit found out why: the headers were empty. 👋 Hi, I'm Anton…
Designing High-Throughput Event-Driven Microservices with Kafka and RabbitMQ
Introduction & Industry Context In the landscape of modern software architecture, event-driven microservices have transitioned from an advanced…
When microservices make data harder than it needs to be
Datadog’s recent research captures a reality many teams already feel in practice: once companies move to microservices, their database landscape ten…
Building Long-Running Payment Workflows with Spring Boot and NERV Event
Building Long-Running Payment Workflows with Spring Boot and NERV Event Some payment operations finish in milliseconds. Others don't. Imagine a paym…
Microservices Event Pipelines: Outbox Pattern, CDC, and Idempotent Event Sourcing
In distributed microservice architectures, synchronizing database updates with downstream event streams is a notorious source of silent data drift.…
I Built an AI System for 80+ Microservices. Six Months Later, My Whole Team Uses It.
In April I wrote about a system I built on Claude Code that takes an epic to PR-ready code across 80+ microservices. If you read that post, I sounde…
Architecture on the Chopping Block: The OIDC Dependency We Didn’t Know We Had
Before joining Cloud.ru , I worked at a company that built and deployed enterprise IT solutions for large customers. Its main product was a packaged…
We Ran 100 Microservices on a 16GB Laptop. No Kubernetes.
Local development for a handful of services is easy. Local development for seven business domains and a hundred services is where most setups quietl…
What a hard, high-impact cloud change looks like from the inside
Let me show you what a hard high-impact change actually looks like in practice A team I worked with had a microservices architecture. Seven services…
Stop Chasing Exactly-Once. Your Kafka Consumer Just Needs to Not Care
Every few months a team I talk to decides they need exactly-once delivery in Kafka. They read the docs, discover processing.guarantee=exactly_once_v…
AWS Step Functions vs Camunda for Sagas: Two Orchestrators, Different Blast Radii
Here's a trap I've watched smart teams walk into. They pick a saga orchestrator by comparing the two engines feature-for-feature, decide they both "…
Diagnosing and Fixing Flaky Microservice Tests
[Why microservice tests become flaky — the root causes] [How to reproduce and isolate flaky behavior reliably] [Fix patterns that actually stop flak…
Event Sourcing in AWS
Imagine that your team has been running a distributed event sourced architecture for many years and then one day you realised that you've been doing…
Circuit Breaker Pattern Explained: How to Prevent Cascading Failures in Distributed Systems
Circuit Breaker Pattern What happens when one service fails, but your entire system keeps calling it anyway ? Imagine your payment service is down.…
Week 13 of #100DaysOfCode: Completing Spring Microservices and Starting JUnit 5
Introduction This week was another challenging but rewarding part of my #100DaysOfCode journey. I started the week by learning about Docker and cont…
Keeping Services Loosely Coupled Without Making Everything Abstract
Loose coupling is one of those things everyone agrees with until they have to do it. Then it turns into a mess of interfaces, event buses, and six l…
Bridging Webhooks to Your Event Mesh: A Secure Edge Pattern for Kafka, Redpanda, and NATS
API event standardization API integration middleware API webhook payload mapping AsyncAPI specification AsyncAPI webhook design asyncAPI webhooks Cl…
Keeping Services Loosely Coupled: A Practical Guide
I have spent too many weekends untangling services that knew way too much about each other. Every time I changed a field name in one service, three…
Designing a Matching Engine in Rust: Price-Time Priority Without GC Pauses
A spot exchange matching engine has a narrow job. It takes an ordered stream of commands - new order, cancel, replace - applies them to an order boo…
Moleculer vs NestJS: which one, and when
If you are choosing a framework for a Node.js backend that will be more than one service, you will end up comparing NestJS and Moleculer. People ask…
Atomic Microservices: Transactional Outbox in Laravel 📦
The Fatal Dual-Write Problem As your enterprise backend evolves from a monolithic application into a distributed microservices architecture, you ine…
Resilient Fintech Microservices: High-Throughput with .NET 10 and Apache Kafka
In the fintech sector, data integrity and system reliability are paramount. When managing sensitive operations such as credit products, loan disburs…
Week 12 of #100DaysOfCode: Exploring Spring Cloud and Microservices Infrastructure
Introduction This week was another challenging but rewarding part of my #100DaysOfCode journey. I continued going deeper into Microservices with Spr…
JWT Claim Validation at the Edge: Scope Inflation, Audience Misrouting, and the RBAC Boundary Problem
JWT Claim Validation at the Edge: Scope Inflation, Audience Misrouting, and the RBAC Boundary Problem Most Go microservice deployments that use JWTs…