AWS DynamoDB CRUD Operations in Node.js with the AWS SDK v3
Quick Tip Wrap the low-level DynamoDB client in a DynamoDBDocumentClient so you pass plain JavaScript objects in and get plain objects back, then guard your writes with ConditionExpression an
Node.js Environment Variable Validation with Zod at Startup
- Nodejs
- Typescript
- 27 May, 2026
- 07 Mins read
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
- Backend
- Performance
- 07 Apr, 2026
- 05 Mins read
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
AWS Secrets Manager
Need to load secrets in your Node.js app without exposing them? Here's how. If you're still storing API keys or database credentials in .env files or hardcoding them into your codebase, it's ti