backend Archives

Securing GraphQL APIs: Mitigating Nested Query DoS, Introspection Abuse, and Field-Level Authorization Flaws

October 31, 2026

Learn how to defend GraphQL APIs from real-world attacks. Discover practical steps to stop recursive DoS loops, turn off production introspection, and configure field-level access control.

Programming

Compile-Time Dependency Injection in Go with Google Wire: A Hands-On Guide

October 26, 2026

Discover how Google Wire delivers compile-time dependency injection in Go. Eliminate reflection penalties, catch wiring errors during builds, and generate maintainable dependency graphs.

Programming

Mastering Singleflight in Go: Stop Cache Stampedes and Protect Your Upstream Services

October 17, 2026

When hot cache keys expire during traffic spikes, databases can buckle under thousands of identical queries. Discover how Go's singleflight package deduplicates concurrent requests to protect your infrastructure with minimal overhead.

Programming

Implementing Event Sourcing and CQRS in Node.js: Resilient Projections and State Management

October 14, 2026

Traditional CRUD apps overwrite history with every SQL UPDATE. Learn how to implement Event Sourcing and CQRS in Node.js with optimistic concurrency control, aggregate rehydration, and resilient read projections.

Programming

Optimizing Go Performance with sync.Pool and Zero-Allocation Techniques

October 12, 2026

Learn how to diagnose garbage collection latency in high-throughput Go services and eliminate allocations. This guide covers sync.Pool memory recycling, escape analysis, and practical benchmarks to stabilize p99 response times.

Programming

Mastering gRPC in Go: High-Performance Microservices with Protocol Buffers, Streaming, and Interceptors

October 12, 2026

A hands-on breakdown of migrating Go microservices from HTTP/1.1 JSON to gRPC. Learn how Protocol Buffers, HTTP/2 multiplexing, streaming, and interceptors solved a real-world latency disaster.

Database

Prevent Redis Cache Stampede: Mutex Locking vs Probabilistic Early Expiration (XFetch)

October 10, 2026

Cache stampedes can crush databases when high-traffic keys expire. Discover how to resolve dogpiling by comparing distributed mutex locks with the probabilistic XFetch algorithm in Redis and Python.

Database

MongoDB Aggregation Pipeline: Process, Group, and Transform Complex Data

October 8, 2026

After six months running MongoDB's aggregation pipeline across two production deployments, here's an honest comparison of approaches, real performance numbers, and practical code examples covering grouping, array unwinding, joins, and time-based reporting — from basic stages to full Python integration.

Programming

Build Ultra-Fast REST APIs with Bun and ElysiaJS: Type-Safe Validation, Eden Treaty, and Production Deployment

October 5, 2026

A step-by-step tutorial on building high-performance REST APIs using Bun and ElysiaJS. Learn how to configure runtime validation with TypeBox, share end-to-end types with Eden Treaty, and deploy with Docker.

Database

Mastering SQL Window Functions: Real-World Guide to ROW_NUMBER, RANK, LEAD, and LAG

October 4, 2026

Learn how to use SQL window functions like ROW_NUMBER, RANK, LEAD, and LAG to debug real-world production incidents, deduplicate records, and compute running analytics efficiently.