All 'aws' related blog posts

Testing Step Functions Locally

Have you built a Step Function with many steps, retries and end states - but you are left wondering, how do I test this masterpiece to ensure it's as wonderful...

Tom Bailey
26 April 2023

EC2 Charges - They are NAT a joke

How to reduce your AWS costs by avoiding unnecessary NAT Gateway usage

Emma Moinat
15 September 2022

How to pause a Step Function while waiting on a response from a third party API

In this post we explore how you can pause a Step Function, using Task Tokens, while waiting on an external process to be completed

Caleb Wilson
3 August 2022

AppSync and DynamoDB Lessons Learned

AppSync and DynamoDB - name a more iconic duo!? I’ll wait…

Matthew Wilson
30 June 2022

Deploying an AWS AppSync API with WAF using CDK v2

In this tutorial, we’ll look at how you can leverage AWS CDK v2 to deploy an AppSync GraphQL API behind AWS WAF and use managed rules to protect against the...

Ross Jenkins
25 May 2022

Scanning S3 Files with ClamAV and CDK

In this post we look at how to trigger virus scanning of files when they are uploaded to S3 utilising AWS CDK and Lambda container images

Emma Nash
7 March 2022

Improving CDK development cycle

Spend less time waiting on deployments with CDK hot swaps

Matthew Wilson
25 February 2022

CDK Lessons Learned

5 need to know lessons for any AWS Cloud Development Kit users

Matthew Wilson
24 January 2022

Building an OpenSearch Index from DynamoDB

In this post we see how to set up an OpenSearch domain with a DynamoDB source

Emma Moinat
11 November 2021

Lambda Container Images

Ever wish you could combine the portability of containers, with the scalability of Lambda functions? Well now you can!

Matthew Wilson
5 March 2021

An AWS Lambda Advent-ure in Python

Let’s build a web-based, programming-related advent calendar using AWS Lambda, Python, Google Sheets and CDK. No chocolates I’m afraid, but along the way we’ll learn a bit about Serverless Python

Ryan Adams
30 November 2020

Using Native Dependencies with AWS Lambda

How to use native dependencies with AWS Lambda and Functions as a Service

Eoin Mullan
7 August 2017