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Sharing my experiences, learnings, and adventures in tech and beyond.

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DevOps

June 202512 min read

PostgreSQL Sharding Strategy: When and How to Scale Your Database

A pragmatic guide to PostgreSQL sharding and partitioning — covering table partitioning, Citus distributed tables, and the honest truth about when you actually need to shard.

DevOps

June 202511 min read

Message Queues in Node.js: RabbitMQ vs BullMQ — Which Should You Choose?

A practical comparison of RabbitMQ and BullMQ for Node.js backend systems — covering architecture, use cases, NestJS integration, and when each is the right tool.

DevOps

June 202511 min read

API Gateway Pattern with NestJS: Routing, Auth, and Rate Limiting in Production

How to implement an API gateway in NestJS microservices — covering request routing, authentication aggregation, rate limiting, and the trade-offs of building vs buying.

DevOps

June 202512 min read

Distributed Tracing with OpenTelemetry: A Practical NestJS Implementation

How to instrument a NestJS microservices application with OpenTelemetry for end-to-end distributed tracing — covering auto-instrumentation, custom spans, and backend choices.

DevOps

June 202510 min read

Circuit Breaker Pattern in NestJS: Building Resilient Microservices

How to implement the circuit breaker pattern in NestJS using nestjs-resilience4j or a custom implementation — preventing cascading failures and building self-healing services.

DevOps

June 202513 min read

CQRS and Event Sourcing with NestJS: When Complexity is Worth It

A practical guide to CQRS and event sourcing in NestJS — what the patterns actually solve, how to implement them with @nestjs/cqrs, and Martin Fowler's honest warning about when to skip them.

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