aws Tag

Amazon introduced native blue-green deployment support in ECS, allowing simultaneous operation of old and new application versions. This strategy minimizes downtime and simplifies rollbacks. The article details how to modify an existing ECS service for blue-green deployments using CloudFormation, enabling more sophisticated and efficient application...

In a recent project, the team wanted to improve the deployment and management of Route53 Resolver DNS Firewalls across the AWS Organisation. We ultimately utilised AWS Firewall Manager and gathered lots of useful operational insights. This blog post shares those insights to assist others planning...

In this post I'm going to talk about some of the things I’ve learnt working on many different projects where AWS CloudFormation was used to manage infrastructure and applications. This will include recommendations for best practices, and CloudFormation features I’ve found to be particularly...

On a recent project we were asked by a client if it would be possible to host a React app using serverless technologies, but also ensure that traffic never left their VPC and corporate network.

In this post I'm going to talk about how we achieved this outcome, and how it proved to be more of a challenge than we first thought it would be.

This is the story of an investigation that I was recently involved in at a client. It took over a week to resolve, involved networking acronyms that seemed to increase in length each day (MTU...ICMP...PMTUD?!), and wound up with us learning all about the rather scary-sounding phenomenon of black-hole connections.