Creating a comprehensive CI/CD pipeline using a microservices architecture on GKE. The architecture comprises 11 distinct microservices, each representing a specific functional component of an e-commerce application.
Blog Post
Introduction #
Deploying multiple microservices to Azure Kubernetes Service (AKS) using Azure DevOps for CI/CD and ArgoCD for GitOps-based continuous deployment. The deployment process leverages Azure DevOps for building and deploying the application, and ArgoCD for managing Kubernetes resources in a GitOps manner.
Challenges #
- Complexity in Deployment: Ensuring seamless deployment and management of multiple micro-services across different environments.
- Maintaining Consistency: Keeping the deployed applications in sync with the desired state defined in the Git repository.
- Scalability and Reliability: Managing resource allocation and scaling the application to handle varying loads without downtime.
- Efficient CI/CD Pipeline: Automating the build, test, and deployment stages to streamline development workflows and reduce manual interventions.
Solution #
The architecture consists of the following components:
- Microservice Application: A sample microservice application. (example-voting-app)
- Azure Kubernetes Service (AKS): Managed Kubernetes cluster in Azure.
- Azure DevOps: CI/CD platform for building and deploying the application.
- ArgoCD: GitOps continuous delivery tool for Kubernetes.
- Automated Deployment with ArgoCD: Implemented ArgoCD for continuous deployment, ensuring that the applications are always up-to-date and consistent with the Git repository. This automated approach reduced the complexity of managing micro-services and improved deployment reliability.
- Container Orchestration with AKS: Leveraged Azure Kubernetes Service (AKS) to deploy and manage the micro-services. AKS provided a robust and scalable environment for running the containers, ensuring high availability and efficient resource utilization.
- CI/CD Pipeline with Azure DevOps: Developed CI/CD pipelines using Azure DevOps to automate the entire development lifecycle, from code commit to deployment. This integration enabled faster development cycles, continuous testing, and streamlined deployment processes.
References and Links #
- ArgoCD Documentation: ArgoCD
- Azure Kubernetes Service Documentation: AKS
- Azure DevOps Documentation: Azure DevOps