Monorepo with Turborepo: Speed Up Your Builds

Build faster with Turborepo monorepo setup. Manage multiple packages efficiently. Structure /packages /ui /utils /shared-types /apps /web /api turbo.json { “pipeline”: { “build”: { “dependsOn”: [“^build”], “outputs”: [“.next/**”] }, “dev”: { “cache”: false, “persistent”: true } } } Benefits ✅ Shared dependencies ✅ Cached builds ✅ Consistent tooling Conclusion Monorepos improve code organization and build … Read more

Testing JavaScript: Jest and Vitest Complete Guide

Master modern JavaScript testing frameworks. Write reliable tests for your applications. Jest Basics describe(‘Calculator’, () => { test(‘adds numbers’, () => { expect(add(2, 3)).toBe(5); }); }); Mocking jest.mock(‘./api’); test(‘fetches data’, async () => { await expect(fetchData()).resolves.toBe(‘data’); }); Vitest (Modern Alternative) import { test, expect } from ‘vitest’; test(‘math’, () => { expect(1 + 1).toBe(2); }); … Read more

API Security Best Practices 2026

Secure your APIs against common vulnerabilities. Implement robust security measures. Authentication ✅ JWT tokens with short expiry ✅ OAuth 2.0 / OpenID Connect ✅ API keys for service-to-service Authorization // Check permissions if (!user.hasPermission(‘read:data’)) { return 403 Forbidden; } Rate Limiting const rateLimit = require(‘express-rate-limit’); app.use(rateLimit({ windowMs: 15 * 60 * 1000, max: 100 })); … Read more

WebSocket Real-time Apps: Node.js Implementation

Build real-time applications with WebSockets. Implement live updates and notifications. Server Setup const wss = new WebSocketServer({ port: 8080 }); wss.on(‘connection’, (ws) => { ws.on(‘message’, (message) => { console.log(‘Received:’, message); ws.send(‘Hello from server’); }); }); Client const ws = new WebSocket(‘ws://localhost:8080’); ws.onopen = () => ws.send(‘Hello!’); ws.onmessage = (event) => console.log(event.data); Socket.io for Production const … Read more

Kubernetes for Developers: Getting Started

Learn Kubernetes basics for container orchestration. Deploy and manage applications at scale. Core Concepts ✅ Pods – Smallest deployable units ✅ Services – Network abstraction ✅ Deployments – Declarative updates ✅ ConfigMaps – Configuration Example Deployment apiVersion: apps/v1 kind: Deployment metadata: name: myapp spec: replicas: 3 selector: matchLabels: app: myapp template: spec: containers: – name: … Read more

CI/CD with GitHub Actions: Complete Guide

Build automated CI/CD pipelines with GitHub Actions. Automate testing and deployment workflows. Basic Workflow // .github/workflows/ci.yml name: CI on: [push, pull_request] jobs: test: runs-on: ubuntu-latest steps: – uses: actions/checkout@v4 – uses: actions/setup-node@v4 with: node-version: ’22’ – run: npm ci – run: npm test Deployment – name: Deploy if: github.ref == ‘refs/heads/main’ run: ./deploy.sh Conclusion GitHub … Read more

Redis 7: Data Structures and Caching Patterns

Master Redis 7 for caching and data structures. Learn advanced Redis patterns for modern applications. Data Structures Strings, Lists, Sets, Sorted Sets, Hashes, Streams Caching Patterns // Cache with TTL SET user:1:profile “data” EX 3600 // Cache invalidation DEL user:1:profile Redis Streams XADD events * user “john” action “login” XREAD COUNT 10 STREAMS events $ … Read more

PostgreSQL 16: New Features and Performance

Explore PostgreSQL 16’s new capabilities. Learn about the latest PostgreSQL release improvements. New Features ✅ Logical replication from standby ✅ Parallel queries improvement ✅ COPY command enhancement ✅ ICU collation support Performance Tuning — Enable parallel queries SET max_parallel_workers_per_gather = 4; — Monitor slow queries CREATE EXTENSION pg_stat_statements; JSONB Improvements SELECT data->>’name’ FROM users WHERE … Read more

GraphQL vs REST: When to Use Each

Compare GraphQL and REST for your API design. Choose the right approach for your project. REST API GET /api/users/1 GET /api/users/1/posts GET /api/users/1/followers GraphQL query { user(id: 1) { name posts { title } followers { name } } } When to Use REST ✅ Simple CRUD operations ✅ Caching is important ✅ Microservices When … Read more

Git Advanced: Rebase, Cherry-Pick, and Bisect

Master advanced Git commands for better workflow. Learn rebasing, cherry-picking, and debugging with Git. Interactive Rebase git rebase -i HEAD~3 // Pick, Squash, Reorder commits Cherry-Pick git cherry-pick abc123 // Apply specific commit to current branch Git Bisect git bisect start git bisect bad git bisect good abc123 git bisect run npm test Stash Advanced … Read more