Serverless
Why Your AWS Lambda Shouldn’t Fire and Forget
That background promise might never finish, even when your code looks perfectly fine.
BRBhathiya Ranasinghe · · 8 min read
Writer7 articles
Bhathiya Ranasinghe
Software Engineer @ Enlear
DevOps
AWS Amplify vs AWS CDK: What Are You Really Choosing?
AWS Amplify vs AWS CDK: What Are You Really Choosing? When you start building on AWS, the decision looks simple. You need authentication, APIs, storage, hosting, maybe a few backend functions. Then …
Bhathiya Ranasinghe · · 6 min read
Data
Choosing the Right AWS Database: SQL vs NoSQL in the Cloud (RDS vs Aurora vs DynamoDB)
Choosing the Right AWS Database: SQL vs NoSQL in the Cloud (RDS vs Aurora vs DynamoDB) When you create a app , At first it’s simple: one app, one database. Then the system grows: a background …
Bhathiya Ranasinghe · · 4 min read
Security
Don’t Let Your Bucket Snitch: S3 Encryption Explained
Don’t Let Your Bucket Snitch: S3 Encryption Explained What are the Encryption Types in AWS S3? S3 is that one AWS service everyone uses because it’s easy to use. Upload file, get URL, move on …
Bhathiya Ranasinghe · · 4 min read
Serverless
Don’t Make Lambda Call Lambda: Better AWS Patterns
Don’t Make Lambda Call Lambda: Better AWS Patterns A common moment in AWS projects goes like this: You have a Lambda function that receives a request, does some work, and then you realize there’s …
Bhathiya Ranasinghe · · 6 min read
Security
A Beginner’s Guide to AWS Security Groups
A Beginner’s Guide to AWS Security Groups If you’ve ever launched an EC2 instance and wondered “Why can’t I connect to it?”, chances are the answer lives inside AWS Security …
Bhathiya Ranasinghe · · 2 min read
AI & ML
How to Build a Smart Personal Chatbot with Assistant API
How to Build a Smart Personal Chatbot with Assistant API Interested in building your own intelligent personal chatbot that’s fully under your control? With OpenAI’s Assistant API, you can develop …
Bhathiya Ranasinghe · · 3 min read