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Cloud, Edge & Distributed Systems
AWS/Azure/GCP, serverless, edge, microservices, observability, and SRE.
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Latest in Cloud, Edge & Distributed Systems
Your First AWS Production Architecture: From a Simple Application to a Scalable System
1+ hour, 8+ min ago (1081+ words) Most people learn AWS by studying individual services. RDS is a database. But that's not how AWS is used in the real world. In a real project, these services work together to solve one problem: How do we run an…...
O que é Cloud Computing? (A visão de um estudante de tecnologia)
1+ hour, 52+ min ago (283+ words) Olá, pessoal! Sou o Davi. Este é o meu primeiro artigo no DEV Community. Sou estudante universitário da área de tecnologia e decidi começar a escrever para fixar o que venho aprendendo nas aulas e nos estudos individuais. Quando comecei…...
EC2 Instance Unreachable via SSM Session Manager
1+ hour, 35+ min ago (595+ words) This runbook resolves the situation where an EC2 instance is running and visible in the console but either does not appear in the Systems Manager Fleet Manager inventory, or returns a connection error when you attempt to start a Session Manager…...
VPC Peering: conectando redes privadas entre contas e regiões na AWS
2+ hour, 8+ min ago (1344+ words) 1. Cenário de negócio Neste projeto, será implementado um VPC peering entre duas VPCs que... Tagged with aws, cloudcomputing, networking....
tokeneff: An Open-Source LLM Cost Meter That Runs Locally
2+ hour, 18+ min ago (338+ words) Most LLM dashboards show you the bill after the damage is done. You run a coding agent for an afternoon, ship a feature, and two days later your OpenAI dashboard says you spent $47. On what? Which model? Which request? You…...
How Randomness Helps Computers Solve Enormous Network Problems
3+ hour, 39+ min ago (180+ words) ...
I recorded my Kubernetes AI agent failing, on purpose
4+ hour, 30+ min ago (457+ words) Most demos of AI-for-infrastructure tools show a clean run. I think that is exactly backwards, and I want to explain why by walking through the thirty seconds of my own demo that a normal product video would have cut. A…...
Keeping Services Loosely Coupled Without Making Everything Abstract
4+ hour, 52+ min ago (500+ words) Loose coupling is one of those things everyone agrees with until they have to do it. Then it turns into a mess of interfaces, event buses, and six layers of indirection for a feature that just sends an email. I've…...
Production API Key Rotation Explained: 6 Least-Privilege Checks for Node.js GitHub Actions
4+ hour, 52+ min ago (886+ words) Short answer: use two narrowly scoped API keys, switch traffic with an explicit activation step, and revoke the old key only after logs and live requests prove the cutover. For a property-management service, that sequence rotates a production credential without…...
Set a Pause to Over-Engineering: Why AWS Lambda MicroVMs Will Serve Indie Developers in 2026
5+ hour, 49+ min ago (373+ words) 1.True State Retention Without Complicated Databases Earlier, if you wanted your backend code to retain a simple piece of information from a past user action, you had to store that data in an external database, such as Amazon DynamoDB. For…...