How I built an AI-powered tool to help people in Spain save on electricity bills with Amazon Bedrock - Part 1If you're on Spain's regulated electricity tariff (PVPC), timing is everything. Prices change every hour based on supply, demand, and energy source — meaning your dishwasher costs three times more to 1May 10 · 4 min readbenoitboure.com
Asynchronous File Generation and Download with AWS AppSync, Lambda, and EventBridgeIn a previous article, I explained how to generate Amazon S3 pre-signed download URLs using AWS AppSync. But what happens when the file doesn’t exist yet? Sometimes the file must be generated on demand. Maybe it’s a report for a user-selected date ra...1Feb 15 · 4 min readblog.graphbolt.dev
How to download and upload files to Amazon S3 with AWS AppSyncOne of the questions I’m most often asked by people new to AWS AppSync is: “How do I let my users upload or download files?” The short answer is: you can’t — at least not directly. While GraphQL is built on top of HTTP, it is not designed for transfe...1Dec 25, 2025 · 7 min readblog.graphbolt.dev
Private API Gateway as EventBridge API DestinationIn a previous post, I explained how to connect AWS Step Functions to a private API Gateway endpoint thanks to the new integration with AWS PrivateLink and Amazon VPC Lattice. In this issue, I’ll show you how to use the same integration to use a priva...Jan 21, 2025 · 3 min readbenoitboure.com
Invoking Private API Gateway Endpoints From Step FunctionsAt Re:Invent 2024, AWS announced EventBridge and Step Functions integration with private APIs. Thanks to this new feature, customers can now directly invoke APIs that are inside a private VPC from EventBridge (with API destinations), or Step Function...Jan 14, 2025 · 4 min readbenoitboure.com