API rate-limiting with HAProxy
We typically deploy REST APIs behind a HAProxy reverse proxy. We often need to enforce SLAs and protect those APIs from being flooded with too many concurrent requests. In this… Read more »
Author Archives: roger
Minimal web server docker containers
Introduction We often need a simple web server as a Docker container to serve up static content (HTML or an Angular app etc). Most people are using lighttpd or nginx… Read more »
Designing REST APIs – lessons learnt
Introduction We’ve been designing and deploying micro-services with REST APIs for a while now, using API-First design. Time to document some of the lessons we’ve learnt during that process. They’re… Read more »
API-First Design
Introduction We have been applying API-First design principles for several years now and advise our customers to do the same. As the name suggests, API-First design means designing a system… Read more »
git workshop
Introduction In this post, we’ll cover the basics of using the git source control system, which has emerged as the dominant tool in this space (especially since Microsoft paid $7.5B… Read more »
VMWare Clarity/Angular modal dialogs
The VMWare Clarity Design System documentation is a bit vague about how modal dialogs should be handled. The examples presented are not really appropriate for real-world applications, where dialogs need… Read more »
Letsencrypt in 15 minutes
I was looking for a simple way to use Let’s Encrypt to enable https for a web site and I found a Docker image nmarus/docker-haproxy-certbot which met my needs. Remember, Let’s Encrypt… Read more »
Backing up ESXi VMs with ghettoVCB
We’ve been using the free ESXi ghettoVCB backup utility for the last 5 years to backup about 150 VMs daily without a glitch. ghettoVCB snapshots the VM, copies away the… Read more »
Borg backup
Borg backup (https://github.com/borgbackup) is an open source backup tool which, in addition to the usual backup features like strong client-side encryption and compression, has several important characteristics which make it… Read more »