Node.js Environment Variable Validation with Zod at Startup
- Mohammad Abu Mattar
- Nodejs
- Typescript
- Backend
- Published: 27 May, 2026
Most Node.js apps treat process.env like a trusted friend. You reach into it whenever you need a value, assume the key is there, assume it's spelled right, and assume the string is actually the type
Redis Caching Patterns: Cache-Aside, Write-Through & Cache Invalidation
- Mohammad Abu Mattar
- Backend
- Performance
- Published: 07 Apr, 2026
Need to scale your backend without throwing money at servers? Redis caching patterns are your answer. Most databases can handle hundreds of queries per second, but thousands? Your app slows to a