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AWS Lambda and NestJS: Communication between services

Originally published on Medium on November 11, 2023. In this guide, we’ll speak about communication in a distributed system using AWS Lambda and NestJ…

awsmicroservicesnestjsserverless
Dev.to Aug 1, 2026, 11:15 UTC
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Data Consistency in Microservices — Saga Pattern

One-liner: In microservices, you can't use a single database transaction across services — the Saga pattern breaks it into a sequence of local transac…

systemdesigndevopsbackendmicroservices
Dev.to Aug 1, 2026, 02:00 UTC
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How Moving to Event-Driven Architecture Solved Peak Load but Strained User Trust

Every morning between six and seven, thousands of construction workers check into active jobsites across multiple time zones. In our legacy platform d…

architecturedistributedsystemsazuremicroservices
Dev.to Jul 31, 2026, 20:09 UTC
EN

Dead Letter Queues: Handling Poison Messages in Distributed Systems

A dead-letter queue is the safety net that catches messages your consumers cannot process, so one broken payload does not block or silently drop every…

devmicroservices
Dev.to Jul 31, 2026, 13:26 UTC
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The Modern API Gateway: Beyond Simple Routing

The API Gateway Has Grown Up When API gateways first entered the enterprise architecture conversation, the value proposition was straightforward: put …

apiarchitecturebackendmicroservices
Dev.to Jul 30, 2026, 15:42 UTC
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The Lateral Isolation Tax: Preventing Direct Communication Between Peer Services

I put together a project to document an architectural discipline I call " Lateral Isolation ". The core idea is simple: preventing direct communicatio…

architecturemicroservicesjavaprogramming
Dev.to Jul 29, 2026, 18:32 UTC
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Solon Cloud: The Distributed Toolkit That Doesn't Lock You In

When I first looked at Solon Cloud, I expected another opinionated microservice framework—the kind that tells you exactly which registry, which config…

architecturecloudjavamicroservices
Dev.to Jul 28, 2026, 06:43 UTC
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5 Microservices Pitfalls to Avoid Early

5 Microservices Pitfalls to Avoid Early I've seen teams jump into microservices with high hopes, only to hit the same walls months later. Here are the…

microservicesarchitecturewebdevbackend
Dev.to Jul 28, 2026, 00:00 UTC
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Microservices with Python: Build Scalable Applications

Microservices with Python: Build Scalable Applications tags: python, microservices, architecture, tutorial Microservices with Python: Build Scalable A…

pythonmicroservicesarchitecturetutorial
Dev.to Jul 27, 2026, 06:01 UTC
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Building Microservices Like a Professional: Lessons I Wish I Learned Earlier

If you've ever started a microservices project by splitting a monolith into dozens of tiny services, you've probably experienced this: "We have micros…

architecturemicroservicessoftwareengineeringsystemdesign
Dev.to Jul 27, 2026, 04:54 UTC
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Microservices: The Part Nobody Puts in the Slide Deck

I've lost count of how many architecture diagrams I've seen where microservices are drawn as a bunch of clean little boxes with arrows between them, e…

microserviceswebdevproductivityarchitecture
Dev.to Jul 26, 2026, 17:43 UTC
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Preparing Your Enterprise APIs for Post-Quantum Cryptography: A Practical Migration Blueprint

As cryptographic research accelerates, the looming threat of cryptanalytically relevant quantum computers (CRQCs) poses a severe risk to traditional p…

apicybersecuritymicroservicessecurity
Dev.to Jul 25, 2026, 07:29 UTC
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Designing for the Surge: The Real-World Cost of Separating Reads and Writes

At seven o'clock every Monday morning, thousands of workers on active heavy construction sites log into their mobile devices to complete mandatory equ…

architectureazuremicroservicesdotnet
Dev.to Jul 24, 2026, 19:54 UTC
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Balancing Peak-Load Scaling and User Experience with CQRS

At 4:30 PM every Friday, thousands of field workers on remote construction sites log off and submit their weekly hours, safety checklists, and equipme…

architectureazuremicroservicesdotnet
Dev.to Jul 24, 2026, 05:58 UTC
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How We Split a Legacy Monolith Into Microservices Without a Single Outage

8 min read · telecom provisioning platform, 30M+ subscribers Most companies avoid migrating their monolith for one reason: they imagine it as a single…

microservicessystemdesigntechleadershiparchitecture
Dev.to Jul 20, 2026, 15:48 UTC
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Mainframe Modernization with Python for High-Volume Transaction Processing

I have worked as a mainframe programmer for more than 15 years, so I understand how important speed, stability, and transaction volume are. Mainframe …

architecturemicroservicesperformancepython
Dev.to Jul 20, 2026, 00:42 UTC
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Stop Starting with Microservices (Build a Monolith First)

Most startups don't fail because they chose a monolith. They fail because they never built something people actually want. The "Microservices from Day…

monolithmicroservicesbackendsystemdesign
Dev.to Jul 16, 2026, 11:07 UTC
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Why GoFr Deserves a Spot on Every Go Developer's Radar

Building microservices in Go is powerful, but it's rarely simple. You end up wiring together a router, a logger, a metrics exporter, a tracer, databas…

gomicroservicesopensourceproductivity
Dev.to Jul 14, 2026, 11:35 UTC
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Service-to-Service Communication in Microservices: What Every Developer Should Know

I still remember the first time a junior dev I was mentoring asked me, "why did the order service just... hang for 30 seconds and then crash the whole…

architecturedistributedsystemsmicroservicesspringboot
Dev.to Jul 13, 2026, 09:02 UTC
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Service Level Objectives for Complex Microservices

Why SLOs Break in Microservices A SLO that works for a monolith often collapses when you distribute the same logic across 30 services. The math of ava…

sreslomicroservicesreliability
Dev.to Jul 11, 2026, 23:15 UTC
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Designing an API Gateway: Routing, Auth, and the Filter Chain

Once you split a monolith into services, a new problem appears: the client now needs to know about twenty endpoints, each with its own auth, its own r…

systemdesignbackendmicroservicesapi
Dev.to Jul 11, 2026, 11:23 UTC
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Architecting 21-Service E-commerce with Golang & DDD

Answer-first: Migrating an e-commerce monolith to 21+ distributed microservices using Golang & DDD. Explore Kratos architecture, Saga patterns, an…

gomicroservicessystemdesigndomaindrivendesign
Dev.to Jul 9, 2026, 13:35 UTC
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gRPC Internals and Performance

Gearing Up for Speed: A Deep Dive into gRPC Internals and Performance Ever feel like your microservices are gossiping at a snail's pace? You've got th…

apidistributedsystemsmicroservicesperformance
Dev.to Jul 9, 2026, 10:22 UTC
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Microservices vs monolith

Microservices have a marketing problem: they're associated with the engineering cultures of Netflix and Amazon, so ambitious teams assume adopting the…

engineeringmicroservicesmonolitharchitecture
Dev.to Jul 9, 2026, 00:09 UTC
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microservice ต้องมี observability แค่ไหน ถึงจะคุ้ม

microservice ต้องมี observability แค่ไหน ถึงจะคุ้ม มีเรื่องเล่าในทีมที่ผมเคยทำงานด้วย: ระบบล่มตอนตี 2 — pager ดัง — dev ตื่นมาเปิด laptop ใช้เวลา 45 น…

devopsmicroservicesmonitoringdiscuss
Dev.to Jul 8, 2026, 23:39 UTC
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JVM Internals for Microservices: Classloading, Memory, and GC in Containers

A few years ago, an iPaaS platform I worked started experiencing intermittent pod restarts in Kubernetes. The issue initially appeared unrelated to th…

javamicroservicestutorialproductivity
Dev.to Jul 8, 2026, 23:34 UTC
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Why Event-Driven Architecture Isn’t About Speed (and When You Actually Need It)

We’ve all seen it happen. A engineering team wants to feel like they belong in the "cool kids" club, so they grab Apache Kafka or a massive event brok…

architecturedevopsmicroservicessystemdesign
Dev.to Jul 6, 2026, 20:37 UTC
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Why Your Microservices Need Circuit Breakers (And How to Add Them)

The Cascading Failure That Took Down Everything Our payment service went down for 3 minutes. No big deal, right? Except every service that called paym…

microservicesreliabilitysredevops
Dev.to Jul 4, 2026, 23:02 UTC
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Guiding Developers with Limited Cloud Knowledge to Learn Envoy for Microservices Load Balancing

Introduction to Envoy: A Critical Component for Cloud-Native Microservices In microservices architectures, where numerous independent services collabo…

envoymicroservicesloadbalancingapigee
Dev.to Jul 4, 2026, 16:16 UTC
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What Google's "Microservices Are Dead" Paper Actually Said (And What It Missed About AI)

A 2023 HotOS paper by Sanjay Ghemawat (MapReduce/Bigtable co-author) and Amin Vahdat (Google Fellow) got repackaged by tech media as "microservices ar…

aiarchitecturemicroservicesreflection
Dev.to Jul 4, 2026, 09:24 UTC

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