When I first stepped into an engineering manager role, I quickly learned that moving fast without losing control is one of the hardest balances to strike. Feature flags helped me make that balance rea...

Ideas, concepts, tips & tricks based on my day-to-day experience being a DevOps engineer.

Ideas, concepts, tips & tricks based on my day-to-day experience being a DevOps engineer.

Maps are the new storefront. And if you’re running a brick-and-mortar business, your presence, or absence, on digital maps could be the…

Maps are the new storefront. And if you’re running a brick-and-mortar business, your presence, or absence, on digital maps could be the…

One of the main things I do as a software engineering leader is explain technical things to non-technical people.

One of the main things I do as a software engineering leader is explain technical things to non-technical people.

​www.markcallen.com​

​www.markcallen.com​

​www.markcallen.com​

Learn how to prevent port conflicts in Docker Compose by using dynamic ports instead of hardcoded ones. Improve your local development and CI workflows with this practical DevOps tip.

​www.markcallen.com​

​www.markcallen.com​

​www.markcallen.com​

In a world where AI is becoming increasingly prevalent in applications, there is a need to ensure that the AI is accurate. We hear a lot about failures with chatbots going rogue, image generators showing...

In a world where AI is becoming increasingly prevalent in applications, there is a need to ensure that the AI is accurate. We hear a lot about failures with chatbots going rogue, image generators showing...

Who We Are At DevCycle, we believe that no engineering team should fear deploying to Production. Managing the rollout of new features and services with feature flags should be as seamless as…

One of the hardest things to do is to figure out what the problem is with a production service. Exception management tools like Sentry can help you identify where the error occurs, and centralized…

Who We Are At DevCycle, we believe that no engineering team should fear deploying to Production. Managing the rollout of new features and services with feature flags should be as seamless as…

Continuous integration is a key part of the CI/CD pipeline. One of the main components is static analysis, which I cover in my post Static Analysis, the First Step in any Application. If you're…

Anyone can watch a YouTube video and think they can renovate their bathroom, but as someone who has tried to do it, I can tell you that it’s a lot harder than it looks. I think vibe coding is the…

The Metaverse is a collective virtual space where digital and physical realities merge, enabling immersive interactions through avatars…

Modern SAAS software development teams deploy to production multiple times daily without ceremony.

Ideas, concepts, tips & tricks based on my day-to-day experience being a DevOps engineer.

Common setup for a AWS global cluster with kubernetes and databases - markcallen/aws-cld

Australian prime minister surprised after remote external territories – including islands home to penguins – targeted by US president

Deploying software into production so that your users can access it is one of the key areas of software development. Whether you are a…