Yan Cui

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

Amsterdam, Netherlands Joined on Apr 19, 2019

Yan Cui for AWS Heroes

Sep 22

How to sample AppSync resolver logs

#appsync #aws #cloudwatch #lambda

4 min read

How to set up custom domain names for AppSync

#appsync #aws #serverless #graphql

4 min read

Yan Cui for AWS Heroes

Aug 26

How to model hierarchical access with AppSync

#appsync #aws #graphql #serverless

5 min read

Yan Cui for AWS Heroes

Aug 18

What alerts should you have for serverless applications?

#aws #awslambda #serverless #cloud

6 min read

Yan Cui for AWS Heroes

Aug 15

Weekly update 47

#me #weeklyupdate

5 min read

Yan Cui for AWS Heroes

Aug 7

Choreography vs Orchestration in the land of serverless

#aws #lambda #serverless

58 3

6 min read

Yan Cui for AWS Heroes

Jul 30

How I scaled an AppSync project to 200+ resolvers

#appsync #aws #serverless

7 min read

Yan Cui for AWS Heroes

Jul 26

Five reasons you should consider AppSync over API Gateway

#aws #appsync #serverless #graphql

81 9

8 min read

Yan Cui for AWS Heroes

Jul 19

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

#appsync #aws #serverless

4 min read

Yan Cui for AWS Heroes

Jul 18

Weekly update 46

#aws #serverless

5 min read

Yan Cui for AWS Heroes

Jul 12

Are Lambda-to-Lambda calls really so bad?

#aws #lambda #serverless

34 6

5 min read

Yan Cui for AWS Heroes

Jul 8

Why we didn’t choose QLDB for a healthcare app

#aws #qldb

4 min read

Yan Cui

Jul 6

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

#aws #lambda #serverless

2 min read

Yan Cui

Jul 3

I left full-time employment, here’s what happened since

#career

8 min read

Yan Cui for AWS Heroes

Jun 20

How to choose the right API Gateway auth method

#apigateway #aws #serverless #security

3 min read

Yan Cui

May 2

AppSync: how to compare strings lexicographically in VTL

#appsync #aws #serverless

1 1

2 min read

Yan Cui

May 1

Weekly update 44

#me #weeklyupdate

5 min read

Yan Cui

Apr 18

AppSync: how to error on DynamoDB conditional check failures

#appsync #aws #dynamodb #graphql

4 min read

Yan Cui

Apr 16

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

#aws #lambda #career #serverless

4 min read

Yan Cui

Apr 9

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

#apigateway #aws #lambda #programming

5 min read

Yan Cui

Apr 4

AppSync: skipping nullable nested resolvers by returning early

#appsync #aws #graphql #serverless

3 min read

Yan Cui for AWS Heroes

Mar 22

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

#aws #lambda #performance #serverless

7 min read

Yan Cui

Mar 11

Weekly update 42

#me #realworldserverles #weeklyupdate

4 min read

Yan Cui

Mar 6

Announcing the new Real-World Serverless podcast

#aws #lambda #realworldserverles #serverless

10 1

2 min read

Yan Cui

Feb 23

Diversity tickets for Production-Ready Serverless workshops

#aws #me #serverless

2 min read

Yan Cui

Feb 19

Weekly update 41

#me #weeklyupdate

4 min read

Yan Cui

Feb 12

Well-architect your way to better serverless applications

#aws #serverless

2 min read

Yan Cui

Feb 9

AWS Heroes united!

#aws #lambda #serverless

2 min read

Yan Cui

Feb 3

Weekly update 40

#me #weeklyupdate

5 min read

Yan Cui

Jan 30

20 new lessons of Lambda best practices

#aws #lambda #serverless

2 min read

Yan Cui

Jan 20

Weekly update 39

#weeklyupdate #aws #serverless

6 min read

Yan Cui

Jan 14

New course – Learn you some Lambda best practice for great good!

#aws #lambda #serverless

2 min read

Yan Cui

Jan 8

Weekly update 38

#aws #serverless

8 min read

Yan Cui

Jan 5

Year in Review, 2019

#me #yearinreview

5 3

4 min read

Yan Cui

Jan 6

Complete Guide to Step Functions: new lessons and 50% off sale is now on

#aws #stepfunctions

1 min read

Yan Cui

Nov 6 '19

Breaking the "senior engineer" ceiling

#career

192 1

6 min read

Yan Cui

Nov 4 '19

Check-list for going live with API Gateway and Lambda

#apigateway #aws #lambda #serverless

5 min read

Yan Cui

Nov 7 '19

Weekly update 36

#me #weeklyupdate

1 min read

Yan Cui

Oct 22 '19

Top 10 Serverless Best Practices

#serverless #aws #awslambda

46 1

4 min read

Yan Cui

Oct 21 '19

My advice to junior developers

#career

213 15

6 min read

Yan Cui

Oct 21 '19

How to analyze Lambda cold starts

#aws #lambda #programming #serverless

2 min read

Yan Cui

Oct 19 '19

Common Node.js mistakes in Lambda

#aws #serverless #node #javascript

140 8

3 min read

Yan Cui

Oct 15 '19

Where Serverless plugin stops and platform starts

#aws #lambda #programming #serverless

5 min read

Yan Cui

Oct 10 '19

My top tips on technical writing after 9 years and 800+ posts

#technicalwriting

10 2

4 min read

Yan Cui

Oct 8 '19

The API Gateway security risk you need to pay attention to

#apigateway #aws #security #serverless

8 2

4 min read

Yan Cui

Oct 3 '19

All you need to know about caching for serverless applications

#apigateway #aws #awslambda #serverless

7 min read

Yan Cui

Sep 30 '19

Should you pack the AWS SDK in your deployment artefact?

#aws #lambda #programming #serverless

3 min read

Yan Cui

Sep 16 '19

How to include SNS and Kinesis in your e2e tests

#aws #serverless #awslambda

8 min read

Yan Cui

Sep 12 '19

Why you should use temporary stacks when you do serverless

#aws #awslambda #serverless #cloudformation

6 min read

Yan Cui

Sep 1 '19

How to use the power of CloudFormation custom resources for great good

#aws #cloudformation #lambda #programming

4 min read

Yan Cui

Aug 24 '19

A simple event-sourcing example with snapshots using Lambda and DynamoDB

#aws #dynamodb #lambda #eventsourcing

12 2

4 min read

Yan Cui

Aug 18 '19

How to do blue-green deployment for Step Functions

#aws #lambda #programming #serverless

5 min read

Yan Cui

Aug 23 '19

How to make serverless framework boilerplates customizable

#aws #lambda #programming #serverless

4 min read

Yan Cui

Jul 31 '19

Serverless Step Functions: no more leaky abstractions

#aws #lambda #stepfunctions #serverless

2 min read

Yan Cui

Jul 26 '19

Introducing a better way to record custom metrics

#aws #serverless #lambda #monitoring

4 min read

Yan Cui

Jul 25 '19

How to connect SNS to Kinesis for cross-account delivery via API Gateway

#serverless #aws #kinesis #lambda

7 min read

Yan Cui

Jun 30 '19

AWS Lambda: how to share code between functions in a monorepo

#aws #lambda #programming #serverless

16 2

1 min read

Yan Cui

Jun 28 '19

Step Functions as an ad-hoc scheduling mechanism

#aws #designpatterns #lambda #serverless

5 min read

Yan Cui

Jun 17 '19

AWS Lambda: how to detect and stop accidental infinite recursions

#aws #lambda #serverless

17 2

3 min read

Yan Cui

May 23 '19

How to log timed out Lambda invocations

#aws #lambda #programming #serverless

3 min read

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