Aws

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

AWS EC2 Instance Management with Boto3: Start, Stop, and Query Instances
If you've ever spent 20 minutes clicking through the AWS Console just to stop a handful of dev instances, you already know the pain. It's tedious, it doesn't scale, and one wrong click can ruin your a

AWS Secrets Manager
Loading secrets in a Node.js app without exposing them If you're still storing API keys or database credentials in .env files or hardcoding them into your codebase, it's time for a better appro

Check S3 Bucket Existence
- Aws
- Shell scripting
- 11 Jun 2025
- 02 Mins read
Quick Tip Don't let your deployment blow up because of a missing S3 bucket. This Bash script lets you check if a bucket exists before anything fails. The Problem Missing bucket failure
