KCAD Prep Part 4 – Kubernetes Config Maps
Kubernetes Config Maps A ConfigMap is a Kubernetes object that stores configuration data in a key/value store. apiVersion: v1 kind: ConfigMap metadata: name: config-map-demo data: greetingOne: Hey there! greetingTwo: Howdy partner! A ConfigMap can be referenced in a Pod spec and used to configure an application running in a [...]
KCAD Prep Part 3 – Kubernetes Namespaces
Kubernetes Namespaces A Namespace provides a way of organising or categorising resources in a Kubernetes cluster. Every resource you create is associated with a Namespace. When an objects Namespace isn't specified explicitly, it will be associated with the default Namespace. Namespaces are a great way of logically grouping or [...]
KCAD Prep Part 2 – Kubernetes Pods
Kubernetes Pods A Pod is the basic building block of an application running in Kubernetes. A Pod encapsulates one or more containers and a set of resources shared by those containers. All containers that run in a Kubernetes cluster run inside a Pod. Creating a Pod Below is a [...]
KCAD Prep Part 1 – Kubernetes API Primitives
I've been working with Kubernetes for a while now and and I'm really enjoying it. I feel I've learned quite a bit but its difficult to know how much without some kind of measuring stick. With that in mind I've decided to start studying for the Kubernetes Certified Application [...]
Spring Cloud Config Server on Kubernetes – Part 2
This is the second of a two part article about building centralised configuration with Spring Cloud Config Server. In this post we'll take the the two Spring Boot services created in part one and run them on Kubernetes. We'll initially deploy to a local cluster before stepping things up [...]
Spring Cloud Config Server on Kubernetes – Part 1
This is the first of a two part article where I'll show you how to use Spring Cloud Config Server to build centralised configuration for your microservices. In this first post we'll create a Config Service that pulls its data from a Git repo and exposes it to other services. [...]