Yan Cui

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

Amsterdam, Netherlands Joined on Apr 19, 2019 https://theburningmonk.com

Lumigo

AWS Heroes

AWS, Serverless, DevOps, F#, C#, Node.js, Scala

Serverless

Consulting and workshops on AWS/serverless

108 posts published

29 comments written

7 tags followed

Yan Cui for AWS Heroes

Sep 9

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

#aws #lambda #serverless

5 min read

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Yan Cui for AWS Heroes

Sep 4

Combine Step Functions Standard and Express workflows for fun & profit

#aws #serverless #stepfunctions

2 min read

Yan Cui

Sep 1

Monthly roundup – August 2023

#me #monthlyroundup

5 min read

Yan Cui for AWS Heroes

Aug 25

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

#aws #lambda #serverless

4 min read

Yan Cui for AWS Heroes

Jul 12

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

#aws #lambda #serverless

5 min read

Yan Cui for AWS Heroes

Jul 4

Are we getting infrastructure all wrong in the Serverless era?

#aws #serverless

3 min read

Yan Cui for AWS Heroes

Jun 19

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

#aws #programming #serverless #stepfunctions

3 min read

Yan Cui for AWS Heroes

Jun 15

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

#aws #cdk #programming #serverless

5 min read

Yan Cui for AWS Heroes

Jun 19

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

#aws #lambda #serverless

8 min read

Yan Cui for AWS Heroes

Apr 19

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

#aws #cdk #serverless

10 min read

Yan Cui for AWS Heroes

Apr 9

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

#aws

5 min read

Yan Cui

Apr 6

Being independent, 4 years on

#career #me

5 min read

Yan Cui for AWS Heroes

Mar 30

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

#aws #security #serverless

7 min read

Yan Cui for AWS Heroes

Mar 21

3 ways to manage concurrency in serverless applications

#aws #eventbridge #kinesis #lambda

6 min read

Yan Cui for AWS Heroes

Mar 20

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

#aws #cognito #lambda #security

14 min read

Yan Cui for AWS Heroes

Mar 15

The biggest problem with EventBridge Scheduler and how to fix it

#aws #eventbridge #lambda #serverless

4 min read

Yan Cui for AWS Heroes

Mar 14

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

#aws #cognito #security #serverless

11 min read

Yan Cui for AWS Heroes

Aug 18 '22

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

#aws #cognito #security #waf

3 min read

Yan Cui

Aug 11 '22

How to add a zoom in effect with CSS

#appsyncmasterclass #css3

1 min read

Yan Cui for AWS Heroes

Jul 18 '22

The best ways to save money on Lambda

#aws #lambda

7 min read

Yan Cui for AWS Heroes

Jul 18 '22

My testing strategy for serverless applications

#aws #lambda #programming #serverless

7 min read

Yan Cui for AWS Heroes

Aug 11 '22

Group-based auth with AppSync Lambda authoriser

#appsync #aws #programming #security

4 min read

Yan Cui for AWS Heroes

Jun 7 '21

How to handle client errors gracefully with AppSync and Lambda

#appsync #aws #lambda #programming

3 min read

Yan Cui for AWS Heroes

May 10 '21

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

#aws #lambda #programming #serverless

3 min read

Yan Cui for AWS Heroes

May 6 '21

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

#aws #programming #route53 #cloudformation

3 min read

Yan Cui for AWS Heroes

Apr 6 '21

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

#appsync #aws #lambda #programming

7 min read

Yan Cui for AWS Heroes

Mar 28 '21

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

#appsync #aws #dynamodb

3 min read

Yan Cui for AWS Heroes

Mar 27 '21

How to secure multi-tenant applications with AppSync and Cognito

#appsync #aws #cognito #serverless

4 min read

Yan Cui for AWS Heroes

Mar 20 '21

The case for and against Amazon Cognito

#aws #programming #cognito

7 min read

Yan Cui for AWS Heroes

Mar 20 '21

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

#amplify #aws #programming #vue

3 min read

Yan Cui for AWS Heroes

Dec 7 '20

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

#aws #serverless #rds

2 min read

Yan Cui for AWS Heroes

Nov 18 '20

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

#appsync #aws #graphql

7 min read

Yan Cui for AWS Heroes

Nov 13 '20

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

#aws #serverless #cloud

5 min read

Yan Cui

Nov 4 '20

Production-Ready Serverless is back!

#aws #lambda #serverless

4 min read

Yan Cui

Nov 2 '20

AppSync Masterclass is open for early access!

#graphql #aws #serverless

2 min read

Yan Cui for AWS Heroes

Sep 22 '20

How to sample AppSync resolver logs

#appsync #aws #cloudwatch #lambda

4 min read

Yan Cui for AWS Heroes

Sep 13 '20

How to set up custom domain names for AppSync

#appsync #aws #serverless #graphql

4 min read

Yan Cui for AWS Heroes

Aug 26 '20

How to model hierarchical access with AppSync

#appsync #aws #graphql #serverless

5 min read

Yan Cui for AWS Heroes

Aug 18 '20

What alerts should you have for serverless applications?

#aws #awslambda #serverless #cloud

6 min read

Yan Cui for AWS Heroes

Aug 15 '20

Weekly update 47

#me #weeklyupdate

5 min read

Yan Cui for AWS Heroes

Aug 7 '20

Choreography vs Orchestration in the land of serverless

#aws #lambda #serverless

6 min read

Yan Cui for AWS Heroes

Jul 30 '20

How I scaled an AppSync project to 200+ resolvers

#appsync #aws #serverless

7 min read

Yan Cui for AWS Heroes

Jul 26 '20

Five reasons you should consider AppSync over API Gateway

#aws #appsync #serverless #graphql

8 min read

Yan Cui for AWS Heroes

Jul 19 '20

AppSync: how to inject table names into DynamoDB batch & transact operations

#appsync #aws #serverless

4 min read

Yan Cui for AWS Heroes

Jul 18 '20

Weekly update 46

#aws #serverless

5 min read

Yan Cui for AWS Heroes

Jul 12 '20

Are Lambda-to-Lambda calls really so bad?

#aws #lambda #serverless

5 min read

Yan Cui for AWS Heroes

Jul 8 '20

Why we didn’t choose QLDB for a healthcare app

#aws #qldb

4 min read

Yan Cui

Jul 6 '20

Production-Ready Serverless is back (with improved curriculum)!

#aws #lambda #serverless

2 min read

Yan Cui for AWS Heroes

Jun 20 '20

How to choose the right API Gateway auth method

#apigateway #aws #serverless #security

3 min read

Yan Cui

May 2 '20

AppSync: how to compare strings lexicographically in VTL

#appsync #aws #serverless

2 min read

Yan Cui

May 1 '20

Weekly update 44

#me #weeklyupdate

5 min read

Yan Cui

Apr 18 '20

AppSync: how to error on DynamoDB conditional check failures

#appsync #aws #dynamodb #graphql

4 min read

Yan Cui

Apr 16 '20

Skill up your serverless game with my new instructor-led online workshop

#aws #lambda #career #serverless

4 min read

Yan Cui

Apr 9 '20

Hit the 6MB Lambda payload limit? Here’s what you can do.

#apigateway #aws #lambda #programming

5 min read

Yan Cui

Apr 4 '20

AppSync: skipping nullable nested resolvers by returning early

#appsync #aws #graphql #serverless

3 min read

Yan Cui for AWS Heroes

Mar 22 '20

How to: optimize Lambda memory size during CI/CD pipeline

#aws #lambda #performance #serverless

7 min read

Yan Cui

Mar 11 '20

Weekly update 42

#me #realworldserverles #weeklyupdate

4 min read

Yan Cui

Mar 6 '20

Announcing the new Real-World Serverless podcast

#aws #lambda #realworldserverles #serverless

2 min read

Yan Cui

Feb 23 '20

Diversity tickets for Production-Ready Serverless workshops

#aws #me #serverless

2 min read

Yan Cui

Feb 19 '20

Weekly update 41

#me #weeklyupdate

4 min read

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