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 before r:Invent. 1. Lambda changes billing to per ms Lambda now bills you by the ms as …
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 basketball match or to run in the park). There’s private messaging. Users …
How I built a social network in 4 weeks with GraphQL and serverless Read More »
I often hear people complain that even simple serverless architectures look complex on paper.
Let me tell you why this misses the point.
I have some exciting news to share with you. That after some initial delays, the AppSync Masterclass is now open for Early Access with 40% launch discount. First of all, thank you so much for your patience, it’s taken us a bit longer than we expected but we’re here, at last. You can purchase the …
AppSync has built-in logging integration with CloudWatch Logs (see here for more details on the logging options). You can set the Field resolver log level to NONE, ERROR or ALL. When the field resolver log level is set to NONE or ERROR, you don’t get a lot of value from the AppSync logs. For example, …
I previously wrote about five reasons you should consider AppSync over API Gateway. One thing that API Gateway supports but you can’t do with AppSync out-of-the-box yet is custom domain names. Your shiny new AppSync API is available at XYZ.appsync-api.us-east-1.amazonaws.com/graphql, but you really want people to use your own domain instead because dev.example.com/graphql is much …
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 …
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 »
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 »
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 »
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