"While building apps I learned that writing code is only half the journey - getting it deployed, updated, and running reliably is also just as important if not more. When I started deploying my apps to the cloud, I realized how many manual steps it took to get the app running. That's when I discovered CI/CD and GitOps tools that automate everything from testing to deployment, so developers can focus on writing code instead of wasting time on manually deploying each time."
"We'll explore open ecosystem tools like GitHub Actions and Argo CD, for CI/CD there are also many open source tools available like Jenkins, CircleCI, etc. But for the purpose of this article I have chosen GitHub Actions as my CI/CD tool and I have also compared them to AWS services like CodePipeline and CodeBuild, and see how I used them to automate the deployment of my own microservices project on AWS EKS(Elastic Kubernetes Service)."
Deploying microservices is more complex than monolithic apps because of distributed components, independent lifecycles, and many manual deployment steps. Continuous Integration automates testing and building, while Continuous Deployment automates delivery, reducing human error and release time. GitOps treats Git as the single source of truth for declarative deployments and uses operators like Argo CD or Flux to reconcile cluster state. An open ecosystem can pair GitHub Actions for CI with Argo CD for CD on Amazon EKS, while AWS-native options include CodeBuild and CodePipeline. Automated pipelines enable reliable, repeatable, and scalable deployments.
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