Does Java support streaming responses from AWS Lambda Function URLs?
I'm trying to use response streaming with an AWS Lambda function written in Java and exposed through a Function URL. The handler gives me a Java OutputStream, so…
serverless
How can I stream plain-text responses from Java AWS Lambda?
AWS Lambda Java response streaming appears to expect a JSON-compatible response. The handler exposes an OutputStream, so I tried writing raw bytes directly with `output.write("SSSSSSSSSSSSSSSSSSS".getBytes())`, but the Function…
What’s the Cheapest Way to Host a Small Python Weather Service?
I've been teaching myself Python after working with other programming languages, and I recently built a small weather script. It started as a simple exercise, but I've enjoyed…
How can I run RDS migrations with a serverless AWS backend?
I'm using AWS SAM to provision API Gateway, Lambda functions, and an RDS database. I want to automate schema migrations with a tool like Alembic, but I don't…
AWS Lambda Function URL Returns 403 Even with AuthType NONE
I'm building a small Rust Lambda function that fetches my GitHub statistics and returns an SVG image, which I want to embed directly in a README. The Function…
Are microVMs useful beyond AI agents and serverless workloads?
Over the past few months, several companies have released sandboxing tools for AI agents based on microVM technology. I currently run nginx inside a virtual machine on my…
Would Switching a Lambda Application to ARM64 Actually Lower My Cloud Bill?
My full-stack application runs on Lambda, and the bill has somehow reached an absurd $3.5 billion. Could switching the functions from x86_64 to ARM64 meaningfully reduce compute costs,…
What are some effective ways to test AWS services after deployment?
I'm able to perform unit testing on my functions locally, but I want to incorporate testing that actually evaluates my deployed code on AWS, ideally using a canary…
Can AWS Lambda Replace Traditional Back-End Server Functions?
I'm curious about how AWS Lambda compares to traditional back-end solutions. Can Lambda run various back-end operations like accessing databases, performing inferences, or sending forms? Additionally, can these…
How Can I Effectively Rate Limit Lambda Processing with SQS?
I'm working on an app that lets users perform bulk imports of products. When a user starts an import, each product gets added as a message to an…
How I Achieved Fast Cold Starts with Llama 3.2 on AWS Lambda
I've managed to run Llama 3.2 on AWS Lambda with cold starts consistently under 500ms. Initially, I was hesitant to invest in a dedicated SageMaker endpoint or a…
Is Using AWS Lambda for Image Processing a Smart Move for My EC2 App?
I'm developing a Node.js marketplace application for buying and selling items, and my backend is hosted on EC2. I need to manage tasks like resizing images, adding watermarks,…
Can I Still Use S3 and CloudFront for Static HTML Sites Without Upgrades?
I'm looking to set up a static HTML site using an S3 bucket with CloudFront, just like I've done in the past with ReactJS sites. It was a…
Looking for AWS Architecture and Cost Advice for My Language Learning App
Hello everyone, I'm in the process of developing a mobile app for **Japanese conversation practice**. Here's a quick rundown of my tech stack: - **Frontend:** React Native /…
Best Local Environments for Developing AWS Lambda Microservices?
I'm looking to develop microservices and deploy them on AWS, specifically using AWS Lambda. What local environment do you recommend for emulating AWS API Gateway and Lambda effectively,…
How to Handle DNS Across Multiple Locations Without Relying on One Main Office?
I'm managing a small business with four locations interconnected through tunnels, and we're transitioning away from server-centric operations. Currently, about half of our computers rely on Active Directory…
How to Go Fully Serverless for Multiple Sites Without Issues?
We have ten sites, each with 50-200 users, and manage various services like Active Directory, DHCP, file servers, and SD-WAN connections—all with a Cisco infrastructure. Maintaining this hardware…
How Can I Generate PDFs Efficiently in AWS Lambda Without Using Too Much Memory?
Hey everyone! I'm running a Node.js app deployed as an AWS Lambda function that generates PDFs using Pug and Puppeteer, then sends them out via email. However, I'm…
Frustrations with AWS DMS Serverless Replication Pricing
I've run into some serious headaches with AWS DMS Serverless Replication. Is there any way to get AWS reps to own up to their mistakes? They charge you…
How Should I Structure My AWS Serverless Apps and Networking?
I'm making the transition from a Windows server background to working with AWS and serverless architecture, so please bear with me if I ask some basic questions. My…