Operators automate day 2 operations for Kubernetes based software. Operators need to know the state of their operands. One way to find out the state is to check metrics information stored in Promet...
Why you should build Kubernetes Operators
Operators are a powerful technology to automate operations of software in Kubernetes clusters. This article describes scenarios when operators should be used and which value they provide. There ar...
Accessing Kubernetes from Go Applications
When developing auto-pilot capabilities in Kubernetes operators, often CronJobs and Jobs are used to automate operations. This article describes how to implement such jobs with Golang. The complet...
Automatically Archiving Data with Kubernetes Operators
Kubernetes operators allow the automation of day 2 operational tasks. A good example is the automatic archiving of data. This article describes how data from a simple database can be archived autom...
Building Databases on Kubernetes with Quarkus
While there are plenty of examples how to write stateless applications on Kubernetes, there are relative few simple samples explaining how to write stateful applications. This article describes how...
How to build your own Database on Kubernetes
Kubernetes supports running stateless and stateful workloads. This article describes the core concepts how to build and run a simple database on Kubernetes using an open source sample. The snippet...
Tekton without Tekton in DevSecOps Pipelines
IBM provides a DevSecOps reference implementation which is especially useful for regulated industries to adhere to policies. This article describes how we have implemented the CI and CD pipelines f...
Continuous Delivery with DevSecOps Reference Architecture
IBM provides a DevSecOps reference implementation which is especially useful for regulated industries to adhere to policies. This article describes the CD pipeline to deploy software using a GitOps...
Change, Evidence and Issue Management with DevSecOps
IBM provides a DevSecOps reference implementation which is especially useful for regulated industries to adhere to policies. This article describes the CI pipeline which provides in addition to the...
Shift-Left Continuous Integration with DevSecOps Pipelines
IBM provides a DevSecOps reference implementation that I’ve used to build our SaaS reference architecture. This article describes the CI pipeline, especially the part to enforce branch protection. ...