Apache Karaf with OSGi works pretty nice using annotation based dependency injection with the declarative services, removing the need to mess with those hopefully archaic XML blueprints. Too bad it's not as trendy as spring and the developers so many of the tutorials can be a bit dated and hard to find. Karaf also supports many other frameworks and programming models as well and there's even Red Hat supported... Source: about 3 years ago

With the containerized Node.js/Express API, I could run multiple containers, scaling to handle more traffic. Using a tool called minikube, we can easily spin up a local Kubernetes cluster to horizontally scale Docker containers. It was possible to keep one shared instance of the database, and many APIs were routed with an internal Kubernetes load balancer. - Source: dev.to / about 2 months ago

Install Minicube - a tool that allows us to spin up a Kubernetes cluster in a local machine Run minikube start to start your Kubernetes cluster Run minikube dashboard to spin up a web-based user interface that allows you to manage your Kubernetes cluster. - Source: dev.to / 2 months ago

Https://github.com/kubernetes/minikube for local learning that's lightweight. Source: about 1 year ago

Root@vagrant-ubuntu-trusty:~/docker-containers# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEdockercontainers\_jenkins latest bb1142706601 4 days ago 1.03GBdockercontainers\_sonar latest 3f021a73750c 4 days ago ... Source: about 1 year ago

Minikube (https://github.com/kubernetes/minikube) - based off of docker machine, uses driver for backend, so can use KVM, Vagrant, or Docker itself to bootstrap K8S cluster. Source: over 1 year ago