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Dockerizing and Deploying a Spring Boot Application on Kubernetes
I will show how to transition from developing Spring Boot + Java applications to diving headfirst into the DevOps world
In most projects I’ve worked on, I had the opportunity to be involved in the entire application lifecycle — from conception, architecture design, and development (obviously) to DevOps. Particularly creating CI/CD pipelines and Kubernetes deployment and service files. I remember being amazed at how easy it was to manage resources and control infrastructure.
In this article, I will show how to transition from developing Spring Boot + Java applications to diving headfirst into the DevOps world.
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Introduction
Kubernetes (K8s) is a widely adopted platform for container orchestration, enabling the automation of deployment, scalability, and application management. Its popularity stems from its ability to ensure high availability, load balancing, and automatic failure recovery.
Various cloud providers, such as AWS (EKS), Google Cloud (GKE), and Azure (AKS), offer managed Kubernetes services, making it easier to use. By adopting Kubernetes, development teams gain the flexibility to scale applications according to demand, reducing operational costs and increasing system resilience.
Installing Kubernetes Locally with Minikube
To run a Kubernetes cluster in a development environment, we can use Minikube, a tool that allows us to run K8s locally in a simplified way.
Prerequisites
Before starting, you need to have the following installed:
- Docker (Installation Guide)
kubectl(Installation Guide)- Minikube (Installation Guide)
