#aws#serverless#computervision#typescript
From 9 Tiles to 900: Scaling Computer Vision Pipelines
The scale wall A computer vision pipeline that works on one image at one resolution isn't...
Eric D Johnson9 min read
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Eric D Johnson
Principal Developer Advocate - Serverless, at AWS.
Articles by @edjgeek
Browse the latest writing surfaced through DevArt.
Eric D Johnson9 min read
#aws#serverless#python#fastapi
Deploy FastAPI to AWS in 60 Seconds
Deploy a standard FastAPI app to AWS Lambda serverlessly in two commands. No Docker. No handler...
Eric D Johnson9 min read
#serverless#lambda#beginners#aws
Serverless with Mama J — Why Serverless
If you ever want to test how well you really understand something, try explaining it to your mom....
Eric D Johnson8 min read
#serverless#mcp#security#aws
200,000 MCP Servers Are Exposed. Here's Why Serverless Is Safer.
I've spent a lot of time thinking about where MCP servers should live. I work with remote MCP servers...
Eric D Johnson4 min read
#aws#serverless#sam#cloudformation
Dynamic Looping Comes to AWS SAM
Update (May 22, 2026): Since the initial launch, local processing of Language Extensions has moved...
Eric D Johnson8 min read
#ai#aws#serverless#agentcore
My Brother Doesn't Code. Now He Ships Features.
My brother runs a large crew of pipelayers. The math they do in the field is genuinely hard. Rolling...
Eric D Johnson5 min read
#serverless#lambda#beginners#aws
Creating Your First Lambda Function
So you want to build your first serverless function? Let's do it. No fluff, no detours — just you,...
Eric D Johnson7 min read
#serverless#aws#lambda#ai
Lambda Just Got a File System. I Put AI Agents on It.
You've written this code before. An S3 event fires, your Lambda function wakes up, and the first...
Eric D Johnson6 min read
#awssam#apigateway#websockets#docker
Modern Container Builds and WebSocket APIs Come to AWS SAM
SAM CLI has always been good at taking the grunt work out of serverless deployments. You define your...
Eric D Johnson7 min read
#serverless#aws#lambda#coldstarts
Cold Starts Are Dead
It never fails. Every time I talk about serverless, someone pushes back with the cold start argument....
Eric D Johnson8 min read
#serverless#code#lambda#durable
Is this code deterministic?
I recently posted a small code snippet in a LinkedIn poll and asked what sounded like a simple...
Eric D Johnson6 min read
#serverless#aws#lambda#durable
AWS Lambda Durable Functions: Build Workflows That Last
Long-running workflows without managing infrastructure Your Lambda function needs to wait for a...
Eric D Johnson5 min read
#serverless#aws#durable#lambda
Developing AWS Lambda Durable Functions with AWS SAM
How to configure, build, and deploy long-running workflows using SAM templates You've written a...
Eric D Johnson8 min read
#serverless#durable#aws#lambda
The Replay Model: How AWS Lambda Durable Functions Actually Work
Understanding the checkpoint-based execution that makes long-running workflows possible You write an...
Eric D Johnson7 min read
#serverless#durable#testing#aws
Testing AWS Lambda Durable Functions in TypeScript
How to write fast, reliable tests for workflows that span hours Testing long-running workflows is...
Eric D Johnson10 min readAdvertisement