I have been working with a US client to build a first-of-its-kind app for managing medical consents. It falls under HIPAA compliance and it’s paramount that we do not allow unauthorized access to user data. As part of the app, we have built an admin tool that will be used by admin staff from the … How to model hierarchical access with AppSync Read More » Liked this article? Support me on Patreon and get direct help from me via a private Slack channel or 1-2-1 mentoring. Hi, my name is Yan Cui. I’m [...]

Hi, welcome to another weekly update! Real-World Serverless podcast Since the last update, we have 4 new episodes for you: #21: From K8 to Serverless at Wealth Wizards #22: Real-World Serverless with Gojko Adzic #23: Serverless at Alma Media with Ari Palo #24: Serverless at Stedi with Zack Kanter New blog posts Choreography vs Orchestration … Weekly update 47 Read More » Liked this article? Support me on Patreon and get direct help from me via a private Slack channel or 1-2-1 mentoring. Hi, my name[...]

Choreography and Orchestration are two modes of interaction in a microservices architecture. In orchestration, there is a controller (the ‘orchestrator’) that controls the interaction between services. It dictates the control flow of the business logic and is responsible for making sure that everything happens on cue. This follows the request-response paradigm. In choreography, every service … Choreography vs Orchestration in the land of serverless Read More » Liked this article? Support me on Patreon a[...]

I have been working on a large AppSync project for a client these past few months. The initial version of the app was built in just a few weeks, but the client has commissioned additional features and the project has kept growing. At the time of writing, this project has over 200 AppSync resolvers and … How I scaled an AppSync project to 200+ resolvers Read More » Liked this article? Support me on Patreon and get direct help from me via a private Slack channel or 1-2-1 mentoring. Hi, my name is Yan[...]

When working with CloudFormation, AWS recommends not to give explicit names to resources and let CloudFormation name them for you. This has several advantages: It’s harder for attackers to guess resource names such as S3 buckets or DynamoDB tables. You can deploy the same stack multiple times to the same account. This is useful when … AppSync: how to inject table names into DynamoDB batch & transact operations Read More » Liked this article? Support me on Patreon and get direct help from me via a privat[...]