microservices – Page 2 – ITFROMZERO

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NATS: A Lifesaver for Microservices When Kafka and RabbitMQ Are Too Heavy

By admin August 1, 2026

Forget the high RAM usage of Kafka or the complexity of RabbitMQ. This article guides you through deploying NATS—a lightweight, high-speed message broker for modern Microservices.

Development

Contract Testing with Pact: An API ‘Break-Proof’ Solution for Node.js Microservices

By admin July 26, 2026

Contract Testing eliminates the fear of API breaking changes in Node.js Microservices. Learn how to use Pact to replace bulky integration tests and accelerate releases.

Docker

Optimizing Docker Compose: Using YAML Anchors and Merge Keys to Clean Up Redundant Code

By admin July 19, 2026

Learn how to use YAML Anchors and Merge Keys to clean up Docker Compose. A solution for tidier, more maintainable, and professional microservices configuration files.

Development

Implementing ABAC with Open Policy Agent (OPA) and Node.js for Complex Microservices Systems

By admin July 17, 2026

When RBAC is no longer sufficient for complex authorization logic in Microservices, Open Policy Agent (OPA) and the ABAC model offer a practical solution. This post shares production experience with Node.js, Rego policies, and how to integrate OPA into Express middleware.

Docker

HashiCorp Nomad: Lightweight Docker Container Management — A Better Alternative to Kubernetes for Small and Medium Systems

By admin July 16, 2026

HashiCorp Nomad is a lightweight Docker container orchestration solution, ideal for small teams looking to avoid the complexity of Kubernetes. This article covers installation, practical job spec writing, and operational tips drawn from real-world microservices experience.

Development

Transactional Outbox Pattern: The Ultimate Guide to Preventing Data Loss with PostgreSQL and Node.js

By admin July 12, 2026

Learn how to implement the Transactional Outbox Pattern with PostgreSQL and Node.js to ensure absolute data consistency between your Database and Message Broker.

MySQL

MySQL with Go (Golang): Connecting with database/sql, SQLX, and Optimizing Connection Pool for Microservices

By admin July 10, 2026

A practical guide to connecting MySQL with Go using database/sql and SQLX, complete with an optimized Connection Pool configuration for production microservices — solving too many connections errors and delivering meaningful query performance gains.

Development

Redis Distributed Lock in Microservices: Preventing Race Conditions in Concurrent Processing

By admin June 25, 2026

A guide to implementing Redis Distributed Lock in a Microservices architecture to solve Race Conditions when multiple services process the same data concurrently. Includes real Python code with safe Lua scripts, guidance on choosing the right TTL, and monitoring locks in Redis.

Docker

Docker & OpenTelemetry: Comprehensive Microservices Monitoring Without Touching Code

By admin June 22, 2026

Integrate OpenTelemetry into Docker for comprehensive Microservices monitoring. Detailed guide on using Auto-instrumentation to collect Traces/Metrics without modifying code.

Python

Accelerating Microservices: Why I Switched from REST to gRPC with Python

By admin June 21, 2026

gRPC helps reduce payload by 60% and optimizes Microservices latency compared to REST API. This article shares a practical guide with Python and hard-earned lessons from 6 months of production deployment.