microservices Archives - ITFROMZERO

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Implementing the Circuit Breaker Pattern in Node.js with Opossum: Preventing Cascading Failures in Microservices

By IT From Zero November 4, 2026

Cascading failures are a notorious challenge in microservice architectures, where one failing dependency can trigger a total system collapse. Implementing the Circuit Breaker pattern in Node.js using Opossum helps short-circuit failing calls, preserve system resources, and ensure high availability.

Database

Distributed Locks with Redis and Redlock: Handling Resource Contention in Microservices

By IT From Zero November 3, 2026

An in-depth guide to implementing secure distributed locks in microservices. Compare database locks, Redis SETNX, and the Redlock algorithm with production-ready code examples.

Development

A Guide to Integrating OpenTelemetry into Node.js: Setting Up Tracing, Metrics, and Logs for Microservices

By IT From Zero October 30, 2026

A detailed guide on integrating OpenTelemetry into Node.js applications to set up distributed tracing, metrics, and log correlation in a microservices environment.

Development

Building an Event-Driven Microservices System with Apache Kafka and NestJS: From Producer and Consumer to Dead Letter Queue (DLQ)

By IT From Zero October 26, 2026

Master Event-Driven Microservices with Apache Kafka and NestJS. A step-by-step guide to setting up Producers, Consumers, and production-grade Dead Letter Queue (DLQ) strategies.

Python

Integrating OpenTelemetry into Python: Practical Microservices Monitoring Strategies

By IT From Zero October 26, 2026

Real-world lessons from 6 months of running OpenTelemetry in production Python microservices: auto-instrumentation, log correlation, and cutting debug time from 45 to under 2 minutes.

Development

Building gRPC Microservices with Go and Protocol Buffers: Optimizing Inter-Service Communication Performance

By IT From Zero October 18, 2026

A step-by-step guide to building a gRPC microservices architecture with Go and Protocol Buffers. Optimize inter-service latency and bandwidth using Unary RPC and Server Streaming.

Development

Implementing the Saga Pattern in Microservices with Node.js: Managing Distributed Transactions

By IT From Zero October 14, 2026

A comprehensive guide to the Saga pattern architecture in microservices using Node.js. Master distributed transaction orchestration, idempotency, and resilient compensating workflows in production.

Python

Implementing Circuit Breaker in Python: Don’t Let a Faulty API Crash Your Entire System

By IT From Zero September 23, 2026

Don't let a slow third-party service bring down your entire application. Learn how to implement the Circuit Breaker Pattern in Python to protect your system.

Development

Handling Message Duplication in RabbitMQ: Implementing an Idempotent Consumer with Node.js

By IT From Zero September 18, 2026

Don't let your system charge customers twice! Learn how to implement an Idempotent Consumer with RabbitMQ, Node.js, and Redis to handle message duplication effectively.