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Yan Cui

AWS Serverless Hero. Consultant. Speaker. Trainer. Blogger.

Location Amsterdam, Netherlands Joined Joined on  Personal website https://theburningmonk.com github website twitter website
Here are four ways you can implement WebSockets using serverless

Here are four ways you can implement WebSockets using serverless

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6 min read

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DynamoDB now supports resource-based policies. But is that a good idea?

DynamoDB now supports resource-based policies. But is that a good idea?

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5 min read
When to use Step Functions vs. doing it all in a Lambda function

When to use Step Functions vs. doing it all in a Lambda function

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6 min read
When to use API Gateway vs. Lambda Function URLs

When to use API Gateway vs. Lambda Function URLs

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4 min read
First impressions of the fastest JavaScript runtime for Lambda

First impressions of the fastest JavaScript runtime for Lambda

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5 min read
What’s the best way to migrate Cognito users to a new user pool?

What’s the best way to migrate Cognito users to a new user pool?

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4 min read
How to secure CI/CD roles without burning production to the ground

How to secure CI/CD roles without burning production to the ground

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6 min read
First impressions of CloudFormation’s IaC generator and CDK migrate

First impressions of CloudFormation’s IaC generator and CDK migrate

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4 min read
How would you reprocess Lambda dead-letter queue messages on demand?

How would you reprocess Lambda dead-letter queue messages on demand?

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2 min read
How to create Private DynamoDB tables accessible only within a VPC

How to create Private DynamoDB tables accessible only within a VPC

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4 min read
Year in review, 2023

Year in review, 2023

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4 min read
Direct Access for Frontend Apps to AWS Services: Secure and Cost-Effective

Direct Access for Frontend Apps to AWS Services: Secure and Cost-Effective

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7 min read
How to perform database migration for a live service with no downtime

How to perform database migration for a live service with no downtime

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3 min read
The one mistake everyone makes when using Kinesis with Lambda

The one mistake everyone makes when using Kinesis with Lambda

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5 min read
How I implemented web analytics reporting with Timestream

How I implemented web analytics reporting with Timestream

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4 min read
Serverless v4 will start charging users, but that’s a good thing

Serverless v4 will start charging users, but that’s a good thing

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5 min read
Amplify: how to share code without Lambda Layers or private NPM

Amplify: how to share code without Lambda Layers or private NPM

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4 min read
How I built an affiliate tracking system in a weekend with serverless

How I built an affiliate tracking system in a weekend with serverless

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5 min read
Help! How do I set DeletionPolicy to Retain for production only?

Help! How do I set DeletionPolicy to Retain for production only?

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4 min read
Monthly roundup – September 2023

Monthly roundup – September 2023

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3 min read
Static IP for Lambda: ingress, egress and bypassing the dreaded NAT Gateway

Static IP for Lambda: ingress, egress and bypassing the dreaded NAT Gateway

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5 min read
Combine Step Functions Standard and Express workflows for fun & profit

Combine Step Functions Standard and Express workflows for fun & profit

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2 min read
Monthly roundup – August 2023

Monthly roundup – August 2023

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5 min read
What’s the most serverless way to wait for a slow HTTP response?

What’s the most serverless way to wait for a slow HTTP response?

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4 min read
SNS to Lambda or SNS to SQS to Lambda, what are the trade-offs?

SNS to Lambda or SNS to SQS to Lambda, what are the trade-offs?

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5 min read
Are we getting infrastructure all wrong in the Serverless era?

Are we getting infrastructure all wrong in the Serverless era?

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3 min read
Testing Step Functions: how to skip time when testing Timeout and Wait states

Testing Step Functions: how to skip time when testing Timeout and Wait states

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3 min read
No, you don’t need to test every line of your CDK application

No, you don’t need to test every line of your CDK application

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Is serverless overpriced? What can we learn from the PrimeVideo team?

Is serverless overpriced? What can we learn from the PrimeVideo team?

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8 min read
Are You Ready for This? Top 5 Earth-Shattering Pros and Cons of AWS CDK

Are You Ready for This? Top 5 Earth-Shattering Pros and Cons of AWS CDK

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10 min read
The Sky’s the Limit: Debating the Benefits of AWS Spending Restrictions

The Sky’s the Limit: Debating the Benefits of AWS Spending Restrictions

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5 min read
Being independent, 4 years on

Being independent, 4 years on

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5 min read
The Old Faithful: Why SSM Parameter Store still reigns over Secrets Manager

The Old Faithful: Why SSM Parameter Store still reigns over Secrets Manager

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7 min read
3 ways to manage concurrency in serverless applications

3 ways to manage concurrency in serverless applications

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6 min read
Implementing Magic Links with Amazon Cognito: A Step-by-Step Guide

Implementing Magic Links with Amazon Cognito: A Step-by-Step Guide

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14 min read
The biggest problem with EventBridge Scheduler and how to fix it

The biggest problem with EventBridge Scheduler and how to fix it

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Passwordless Authentication made easy with Cognito: a step-by-step guide

Passwordless Authentication made easy with Cognito: a step-by-step guide

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11 min read
How to setup geofencing and IP allow-list for Cognito user pool

How to setup geofencing and IP allow-list for Cognito user pool

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3 min read
How to add a zoom in effect with CSS

How to add a zoom in effect with CSS

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1 min read
The best ways to save money on Lambda

The best ways to save money on Lambda

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7 min read
My testing strategy for serverless applications

My testing strategy for serverless applications

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7 min read
Group-based auth with AppSync Lambda authoriser

Group-based auth with AppSync Lambda authoriser

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4 min read
How to handle client errors gracefully with AppSync and Lambda

How to handle client errors gracefully with AppSync and Lambda

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3 min read
Lambda layer: not a package manager, but a deployment optimization

Lambda layer: not a package manager, but a deployment optimization

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3 min read
How to manage Route53 hosted zones in a multi-account environment

How to manage Route53 hosted zones in a multi-account environment

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3 min read
Building a custom IAM system has made me appreciate AWS IAM even more

Building a custom IAM system has made me appreciate AWS IAM even more

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How to model one-to-many relationships with AppSync and DynamoDB

How to model one-to-many relationships with AppSync and DynamoDB

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How to secure multi-tenant applications with AppSync and Cognito

How to secure multi-tenant applications with AppSync and Cognito

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The case for and against Amazon Cognito

The case for and against Amazon Cognito

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How to configure environment specific parameters with Vue.js and Amplify

How to configure environment specific parameters with Vue.js and Amplify

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3 min read
What you need to know about Aurora Serverless v2, so far.

What you need to know about Aurora Serverless v2, so far.

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How I built a social network in 4 weeks with GraphQL and serverless

How I built a social network in 4 weeks with GraphQL and serverless

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“Even simple serverless applications have complex architecture diagrams”, so what?

“Even simple serverless applications have complex architecture diagrams”, so what?

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Production-Ready Serverless is back!

Production-Ready Serverless is back!

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4 min read
AppSync Masterclass is open for early access!

AppSync Masterclass is open for early access!

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2 min read
How to sample AppSync resolver logs

How to sample AppSync resolver logs

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How to set up custom domain names for AppSync

How to set up custom domain names for AppSync

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4 min read
How to model hierarchical access with AppSync

How to model hierarchical access with AppSync

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What alerts should you have for serverless applications?

What alerts should you have for serverless applications?

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6 min read
Weekly update 47

Weekly update 47

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5 min read
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