After closing a $20 million Series A round, Mattermost is skyrocketing in popularity as a secure, open source Slack alternative for enterprise DevOps and IT. High-trust teams are adopting it for messaging to overcome some of the biggest collaboration challenges today.

Seems like you can’t talk tech these days without hearing about DevOps. What is it? How does it work? And what does it mean for your business? Honestly, even the most technical folks can’t seem to agree on a single definition.

I’ve been working on creating AWS Cognito User Pools in CloudFormation, and thought this would be a good time to share some of what I’ve learned.

Etcd is an open-source distributed key-value store created by the CoreOS team, now managed by the Cloud Native Computing Foundation. It is pronounced “et-cee-dee”, making reference to distributing the Unix “/etc” directory, where most global configuration files live, across multiple machines. It serves as the backbone of many distributed systems, providing a reliable way for storing data across a cluster of servers.

Kubernetes is a fantastic tool for building large containerised software systems in a manner that is both resilient and scalable. But the architecture and design of Kubernetes has evolved over time, and there are some areas that could do with tweaking or rethinking. This post digs into some issues related to how image tags are handled in Kubernetes and how they are treated differently in plain Docker.