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🛠️ Home Lab Project: Automated GitOps CI/CD Pipeline
🛠️ Home Lab Project: Automated GitOps CI/CD Pipeline
Objective
Objective
To build a production-grade container orchestration environment using Minikube, automating the lifecycle of a Python/Flask application from code commit to live deployment on a local development machine.
1. Infrastructure Layer (The Virtualized Cluster)
1. Infrastructure Layer (The Virtualized Cluster)
The Environment: Implemented a local Kubernetes cluster using Minikube running on a high-performance Windows PC.
Hypervisor Integration: Leveraged Docker as the driver for Minikube to manage container lifecycles within a virtualized Linux environment.
Resource Management: Configured CPU and memory limits within Minikube to balance cluster performance with host OS stability.
2. Continuous Integration (CI) with Jenkins
2. Continuous Integration (CI) with Jenkins
Pipeline-as-Code: Developed a Jenkinsfile to automate the build-test-push lifecycle.
Registry Integration: Automated the push to Docker Hub using secure credentials, ensuring the latest build of the "Vending Machine" app is globally available for the local cluster to pull.
3. Continuous Deployment (CD) with Argo CD
3. Continuous Deployment (CD) with Argo CD
GitOps Workflow: Implemented the "App of Apps" pattern using a root-app to manage declarative manifests.
Minikube Automation: Configured Argo CD Image Updater to monitor Docker Hub for new digests, bypassing the need for manual kubectl updates.
Local-to-Cloud Sync: Demonstrated a seamless flow where local code changes are pushed to GitHub, built in Jenkins, and pulled back down into the local Minikube cluster automatically.
4. Security & Infrastructure Engineering
4. Security & Infrastructure Engineering
RBAC (Role-Based Access Control): Secured the Image Updater by creating custom ClusterRoles and ServiceAccounts within the Minikube environment.
Input Validation: Solved Kubernetes metadata constraints by implementing aliases for Docker images containing forward slashes.
Zero-Touch Deployment: Successfully automated the deployment of the site, through a completely hands-off reconciliation loop.
Key Skills Demonstrated
Key Skills Demonstrated
Orchestration: Minikube (K8s), Argo CD, Jenkins.
Cloud/DevOps: GitOps, Docker Hub, CI/CD Pipelines.
Engineering: RBAC, Troubleshooting Kubernetes APIs, Shell Scripting (Bash).
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