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Nodejs
Upload Files to AWS S3 with Pre-Signed URLs in Node.js
Routing file uploads through your API server is the default that nobody questions, and it is usually the wrong one. The bytes travel to your compute, sit in memory or a temp file, then travel again to
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