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Young Gao

Backend engineer building production systems in Go, Rust, and TypeScript. Writing about practical patterns for real-world software.

RPKI in Practice: Securing Your BGP Routes Against Hijacking in 2026

RPKI in Practice: Securing Your BGP Routes Against Hijacking in 2026

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5 min read
BGP from Scratch: Setting Up Your First Autonomous System with BIRD 2 in 2026

BGP from Scratch: Setting Up Your First Autonomous System with BIRD 2 in 2026

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5 min read
How to Get Your Own ASN and IPv6 Space from RIPE NCC in 2026: A Complete Technical Guide

How to Get Your Own ASN and IPv6 Space from RIPE NCC in 2026: A Complete Technical Guide

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5 min read
Zero-Downtime Database Migrations: Patterns for Production PostgreSQL in 2026

Zero-Downtime Database Migrations: Patterns for Production PostgreSQL in 2026

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5 min read
Supply Chain Security for Developers: Protecting Your CI/CD Pipeline in 2026

Supply Chain Security for Developers: Protecting Your CI/CD Pipeline in 2026

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6 min read
Edge Computing with WebAssembly: Running AI Models at the Edge in 2026

Edge Computing with WebAssembly: Running AI Models at the Edge in 2026

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6 min read
Real-Time Event Streaming: Kafka vs Redis Streams vs NATS in 2026

Real-Time Event Streaming: Kafka vs Redis Streams vs NATS in 2026

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6 min read
CI/CD for ML Models: From Training Notebooks to Production Deployment in 2026

CI/CD for ML Models: From Training Notebooks to Production Deployment in 2026

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6 min read
Building Production MCP Servers: Architecture Patterns That Scale in 2026

Building Production MCP Servers: Architecture Patterns That Scale in 2026

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6 min read
Python Application Performance Monitoring That Actually Works in 2026

Python Application Performance Monitoring That Actually Works in 2026

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5 min read
Building Zero-Trust API Authentication in 2026: Beyond JWT

Building Zero-Trust API Authentication in 2026: Beyond JWT

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6 min read
Kubernetes Security Hardening for Production AI Workloads in 2026

Kubernetes Security Hardening for Production AI Workloads in 2026

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6 min read
Production MLOps Security: From Model Poisoning to Inference Attacks in 2026

Production MLOps Security: From Model Poisoning to Inference Attacks in 2026

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6 min read
Hardening Your CI/CD Pipeline Against Supply Chain Attacks in 2026

Hardening Your CI/CD Pipeline Against Supply Chain Attacks in 2026

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6 min read
Securing the AI Model Supply Chain: A Practical Defense Guide for 2026

Securing the AI Model Supply Chain: A Practical Defense Guide for 2026

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6 min read
Building a Zero-Trust API Gateway with Cloudflare Workers in 2026

Building a Zero-Trust API Gateway with Cloudflare Workers in 2026

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5 min read
The Hidden Dangers of Loading AI Models: A Security Audit of Popular ML Frameworks (2026)

The Hidden Dangers of Loading AI Models: A Security Audit of Popular ML Frameworks (2026)

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3 min read
BYOIP on AWS and Vultr: Bring Your Own IPv6 Prefix to the Cloud (2026)

BYOIP on AWS and Vultr: Bring Your Own IPv6 Prefix to the Cloud (2026)

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3 min read
Setting Up BIRD 2 for BGP: Announce Your Own IPv6 Prefix in 2026

Setting Up BIRD 2 for BGP: Announce Your Own IPv6 Prefix in 2026

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3 min read
I Built Free Unlimited S3-Compatible Storage Using Telegram as Backend

I Built Free Unlimited S3-Compatible Storage Using Telegram as Backend

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2 min read
How to Get Your Own ASN and Announce IPv6 via BGP — A 2026 Practical Guide

How to Get Your Own ASN and Announce IPv6 via BGP — A 2026 Practical Guide

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9 min read
I Built Unlimited Free Cloud Storage Using Telegram — And It's S3-Compatible

I Built Unlimited Free Cloud Storage Using Telegram — And It's S3-Compatible

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5 min read
I Built an AI That Reviews Every PR for Security Bugs — Here's How (2026)

I Built an AI That Reviews Every PR for Security Bugs — Here's How (2026)

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6 min read
API Versioning: URL vs Header vs Query Parameter

API Versioning: URL vs Header vs Query Parameter

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1 min read
Feature Flags Without a Third-Party Service

Feature Flags Without a Third-Party Service

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1 min read
Database Connection Pooling: Why Your API Is Slow Under Load

Database Connection Pooling: Why Your API Is Slow Under Load

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1 min read
Health Checks in Production APIs: Beyond Returning 200 OK

Health Checks in Production APIs: Beyond Returning 200 OK

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1 min read
Dependency Injection in TypeScript: Stop Hardcoding Your Dependencies

Dependency Injection in TypeScript: Stop Hardcoding Your Dependencies

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2 min read
Pagination Done Right: Cursor vs Offset and Why It Matters at Scale

Pagination Done Right: Cursor vs Offset and Why It Matters at Scale

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1 min read
Microservices Communication: REST, gRPC, and Message Queues

Microservices Communication: REST, gRPC, and Message Queues

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1 min read
Database Transactions: ACID, Isolation Levels, and Deadlocks

Database Transactions: ACID, Isolation Levels, and Deadlocks

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1 min read
WebSocket Authentication: Securing Real-Time Connections

WebSocket Authentication: Securing Real-Time Connections

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1 min read
Testing Express APIs: Unit Tests, Integration Tests, and When to Use Each

Testing Express APIs: Unit Tests, Integration Tests, and When to Use Each

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1 min read
Monorepo vs Polyrepo: How to Structure Your Backend Projects

Monorepo vs Polyrepo: How to Structure Your Backend Projects

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1 min read
TypeScript Generics: A Practical Guide for Backend Developers

TypeScript Generics: A Practical Guide for Backend Developers

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1 min read
Error Handling Patterns in TypeScript: Beyond Try-Catch

Error Handling Patterns in TypeScript: Beyond Try-Catch

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2 min read
Environment Variables Done Right: From .env Files to Production Configs

Environment Variables Done Right: From .env Files to Production Configs

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2 min read
Docker Compose for Development: The Setup Every Backend Dev Needs

Docker Compose for Development: The Setup Every Backend Dev Needs

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2 min read
Database Indexes Explained: B-Trees, Composite Keys, and When Indexes Hurt Performance (2026)

Database Indexes Explained: B-Trees, Composite Keys, and When Indexes Hurt Performance (2026)

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2 min read
Graceful Shutdown in Node.js: Stop Dropping Requests (2026)

Graceful Shutdown in Node.js: Stop Dropping Requests (2026)

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1 min read
BullMQ Job Queues in Node.js: Background Processing Done Right (2026 Guide)

BullMQ Job Queues in Node.js: Background Processing Done Right (2026 Guide)

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2 min read
Role-Based Access Control (RBAC) in Node.js: Beyond Simple Admin Checks (2026)

Role-Based Access Control (RBAC) in Node.js: Beyond Simple Admin Checks (2026)

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2 min read
Zod vs Joi vs Class-Validator: Input Validation in TypeScript APIs Compared (2026)

Zod vs Joi vs Class-Validator: Input Validation in TypeScript APIs Compared (2026)

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2 min read
Building Your First MCP Server in TypeScript: Connect AI Agents to Anything

Building Your First MCP Server in TypeScript: Connect AI Agents to Anything

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6 min read
Caching Strategies Explained: When, Where, and How to Cache in 2026

Caching Strategies Explained: When, Where, and How to Cache in 2026

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2 min read
CORS Explained Simply: Why Your Frontend Can't Talk to Your API (Fix in 5 Minutes)

CORS Explained Simply: Why Your Frontend Can't Talk to Your API (Fix in 5 Minutes)

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2 min read
Advanced API Rate Limiting: Sliding Windows, Token Buckets, and Distributed Counters (2026)

Advanced API Rate Limiting: Sliding Windows, Token Buckets, and Distributed Counters (2026)

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12 min read
Distributed Locking: Preventing Race Conditions Across Microservices (2026 Guide)

Distributed Locking: Preventing Race Conditions Across Microservices (2026 Guide)

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11 min read
Feature Flags from Scratch: Build a Runtime Toggle System in TypeScript (2026)

Feature Flags from Scratch: Build a Runtime Toggle System in TypeScript (2026)

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12 min read
Scaling WebSocket Connections: From Single Server to Distributed Architecture (2026)

Scaling WebSocket Connections: From Single Server to Distributed Architecture (2026)

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11 min read
Building AI-Ready Backends: Streaming, Tool Use, and LLM Integration Patterns (2026)

Building AI-Ready Backends: Streaming, Tool Use, and LLM Integration Patterns (2026)

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6 min read
Graceful Degradation Patterns: Keep Your Backend Running When Dependencies Fail (2026)

Graceful Degradation Patterns: Keep Your Backend Running When Dependencies Fail (2026)

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11 min read
API Authentication Done Right: JWTs, API Keys, and OAuth2 in Production (2026 Guide)

API Authentication Done Right: JWTs, API Keys, and OAuth2 in Production (2026 Guide)

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3 min read
Multi-Tenant Architecture: Database Per Tenant vs Shared Schema — Pros and Cons (2026)

Multi-Tenant Architecture: Database Per Tenant vs Shared Schema — Pros and Cons (2026)

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5 min read
Event Sourcing Explained: When CRUD Is Not Enough (Practical Guide 2026)

Event Sourcing Explained: When CRUD Is Not Enough (Practical Guide 2026)

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5 min read
Build a Custom API Gateway in Node.js: Routing, JWT Auth, and Rate Limits (2026)

Build a Custom API Gateway in Node.js: Routing, JWT Auth, and Rate Limits (2026)

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5 min read
Express Middleware Patterns: Composition, Error Handling, and Auth (2026 Guide)

Express Middleware Patterns: Composition, Error Handling, and Auth (2026 Guide)

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2 min read
Database Migrations in Production: Zero-Downtime Schema Changes (2026 Guide)

Database Migrations in Production: Zero-Downtime Schema Changes (2026 Guide)

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2 min read
The Three Pillars of Observability: Logs, Metrics, and Traces Explained (2026)

The Three Pillars of Observability: Logs, Metrics, and Traces Explained (2026)

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5 min read
Pub/Sub Messaging Patterns: Redis vs NATS — When to Use What (2026 Comparison)

Pub/Sub Messaging Patterns: Redis vs NATS — When to Use What (2026 Comparison)

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5 min read
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