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Thoughts and notes from a Senior Frontend Engineer, tech speaker, egghead.io instructor and lifelong learner

Notes from Complete guide to AWS Step Functions

Notes from https://theburningmonk.thinkific.com/courses/take/complete-guide-to-aws-step-functions Define the steps of your workflow in the JSON-based Amazon States Language With AWS Step Functions… Read Article →

Notes from AppSync sessions @ Re:Invent 2020

Notes from AppSync sessions @ Re:Invent 2020 More like Re:Mote 2020 Notes from Unify access to siloed data with AWS AppSync GraphQL resolvers by Nader Dabit Three types of AppSync Resolvers: Direct… Read Article →

Velocity Template Language 101

Velocity Template Language 101 Source Creating variables #set( $a = "Velocity" ) The following rule of thumb may be useful to better understand how Velocity works: References begin with $ and are used… Read Article →

Notes from Data modeling with Amazon DynamoDB – Part 2 with Alex DeBrie

Check out the notes from part 1 here Data modeling process Understand your application First of all, make sure you really understand your application. This is true for both relational and non… Read Article →

Notes from Data modeling with Amazon DynamoDB – Part 1 with Alex DeBrie

Notes from Data modeling with Amazon DynamoDB – Part 1 with Alex DeBrie DynamoDB basics: Table - a collection of data (similar to a table in a relational database) Item - an individual record in a… Read Article →

The truth about cookies, tokens and APIs - Phillipe de Ryck

Notes from The truth about cookies, tokens and APIs - Phillipe de Ryck Old way: Send an auth request to the server -> get a cookie -> request a resource with that cookie ( Cookie: ID=123 ) The… Read Article →

Deconstructing "The EventBridge ETL" CDK Pattern

The EventBridge ETL This blogpost is a quick summary of Deconstructing "The EventBridge ETL" AWS Serverless Architecture Pattern by Matt Coulter Check out the pattern here: https://github.com/cdk… Read Article →

10 quick facts about AWS Lambda

By default there's a limit of 1000 concurrent lambda executions, this can be raised with a support ticket. There are companies that have this limit raised up to tens of thousands concurrent lambda… Read Article →

Use VSCode debugger when working with AWS CDK

(Before we start - if you've never heard of AWS Cloud Development Kit, I've created a quick, 64 minute course on egghead.io - Build an App with the AWS Cloud Development Kit ) This is a quick tip I… Read Article →

Notes from Optimizing Lambda Performance for Your Serverless Applications

Notes from Optimizing Lambda Performance for Your Serverless Applications . Lambda overview Looking at the anatomy of a lambda function we can identify several different layers: Your function… Read Article →

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Tomasz Łakomy © 2021