Blog articles tagged 'serverless'

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on 9/18/2021 3:58 PM
AWS AppSync added support for Lambda authorizers on 30th July 2021 and it made it much easier to implement group-based authorization with 3rd party identity services. Group-based auth with AppSync and Cognito I previously wrote about how you can secure mu[...]
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on 6/6/2021 6:29 PM
With API Gateway and Lambda, you can handle client errors gracefully by returning a 4xx response. module.exports.handler = async (event) => { // run validation logic return { statusCode: 400 } } This way, we can communicate clearly to the client that ther[...]
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on 5/8/2021 10:27 AM
It’s been two years since I last wrote about Lambda layer and when you should use it. Most of the problem I discussed in that original post still stands: It makes it harder to test your functions locally. You will still need those dependencies to execute [...]
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on 4/2/2021 6:09 PM
In the last post I discussed my preferred approach for modelling multi-tenant applications with AppSync and Cognito. This approach supports the common requirements in these applications, where there are a number of distinct roles within each tenant. This [...]
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on 3/27/2021 1:30 PM
Thank you to Josh for asking this question on the AppSync Masterclass forum. His original question goes like this: Let’s say I want to add a one-to-many relationship from Profile to a new property called “Tag” (a complex object with “name” and “color” pro[...]
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on 12/7/2020 6:22 AM
All the sessions during week 1 are available to watch on-demand now. You can access them via the official reinvent portal here. Here are my top picks for sessions to watch, in no particular order. “Building technology standards at Amazon scale” by Marc Br[...]
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on 12/5/2020 2:19 PM
I’ve gotten a few questions about Aurora Serverless v2 preview, so here is what you need to know about Aurora Serverless v2 during preview.   Q: Does it replace the existing Aurora Serverless offering? A: No, it lives side-by-side with the existing Aurora[...]
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on 12/1/2020 6:11 PM
During this re:Invent, I’m sharing with you the biggest serverless-related announcements and what they mean for you in a series of hot-takes. Starting with, the biggest announcements from today’s keynote, plus a bunch of other important announcements just[...]
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on 11/17/2020 10:49 AM
I have been involved with a client project to help the client launch a new social network for university students to engage with each other to do sports. Amongst other things, users can: Arrange activities and ask to join others’ activities (like a basket[...]
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on 11/7/2020 5:31 AM
A common complaint I have heard about serverless applications is that they tend to look really complicated on architecture diagrams, with many moving parts. But does it mean serverless applications are more complex compared to their serverful counterparts[...]
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