End-to-End CI/CD Pipeline for Spring Boot on Kubernetes Using Argo CD

I've successfully completed an end-to-end CI/CD pipeline that automates the entire CI/CD process for a spring boot application deployed in Kuberenetes using Argo CD.

My github repo can be found here Github Repo
The pipeline follows this workflow: Developers push their code to the GitHub repository, which triggers the Jenkins build via GitHub webhooks. Upon a successful build, the Docker image is pushed to Docker Hub, and the manifest repository is promptly updated. Subsequently, ArgoCD consistently monitors the manifest repository and initiates the deployment of the Docker image to the Kubernetes cluster.

Components of the pipeline:
1.github is used for source code management of the spring boot web application, and it also holds the manifest repository for Kubernetes.
2."Cognitively, in our development ecosystem: jenkins orchestrates CI processes and is hosted on an awscloud EC2 instance. GitHub webhooks elegantly activate the Jenkins pipeline with every code push. Here, Jenkins diligently constructs the spring boot web application, encapsulates it within a Docker container, and elegantly delivers the final Docker image to the sanctuary of Docker Hub. In parallel, it meticulously maintains the manifest repository, ensuring the image tags are up to date. Furthermore, to optimize resources and economize project expenses, we ingeniously deploy docker containers as Jenkins build agents.
3. argocd, a Kubernetes-native continuous deployment (CD) powerhouse, seamlessly harnesses the power of Kubernetes. Its mission: to effortlessly fetch the latest manifest code from our Git repository and swiftly orchestrate deployments within the Kubernetes cluster. Argo CD maintains constant vigilance, perpetually scrutinizing the live infrastructure (the actual state) and harmonizing it with the declaratively-defined code residing in the application manifest repository (the desired state or target state). This vigilant watch ensures we swiftly identify and rectify any configuration drift, maintaining the pristine state of our applications.
4. I have set up our k8s cluster using digitalocean a cloud environment. Argo CD, our trusty deployment companion, seamlessly orchestrates the deployment of our containerized Spring Boot application onto this cluster. Its duty doesn't end there; it remains vigilant, perpetually watching for any alterations in our GitHub repository, which serves as the single source of truth. When changes occur, Argo CD dutifully highlights them, ensuring that we're always aware of adjustments and potential warnings in our deployment process."

Here’s the same post link from my LinkedIn:

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Ravichandran Sundaramurthy
Ravichandran Sundaramurthy