Immutable Servers - James Ridgway

Using Packer to Reproduce a Legacy Windows Environment

Legacy systems can be scary; they’re often vast and sprawling with incomplete documentation. And as with all legacy systems, they’re business-critical. It can be a real challenge re-writing a legacy application, especially if the tech stack is so old that doing a phased migration is out

AWS

Baking a Rails application into an Immutable Server image

Using Packer, systemd and deployment script to build a Rails application into an AMI and launch it into production as a Spot Instance - saving up to 90% of the on-demand price. This post is the next installment in the series on Immutable Servers [https://www.jamesridgway.co.uk/blog/

AWS

Building Infrastructure for Immutable Web Applications with Terraform

Explore how to use Application Load Balancers and Target Groups to build core infrastructure for deploying immutable web applications. This post is the next installment in the series on Immutable Servers [https://www.jamesridgway.co.uk/blog/planning-a-migration-to-spot-instances]. In the previous post we looked at

AWS

Building Immutable Server Images with SaltStack and Packer

Building and configuring an immutable server image from the ground up using SaltStack and Packer. I recently set myself a challenge to migrate all of my projects to deploy using an Immutable Servers pattern to AWS EC2 Spot Instances. This blog post is part of a broader series on how

AWS

Planning a migration to Spot Instances

My plan to save up to 90% on EC2 on-demand pricing by migrating my projects to spot instances which can be terminated with two-minutes notice. A few months ago I decided to challenge myself to migrate all of my projects to run on AWS EC2 Spot Instances [https:

AWS

The Challenge: Run on AWS EC2 Spot Instances

I've set myself the challenge of migrating all of my projects to run on EC2 Spot Instances, which can be terminated with 2 minutes' notice. Over the next few weeks I have set myself the challenge of migrating all of my personal projects from a typical Linode

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