Portfolio Details

Challenges:

The client operated a legacy on-premises Kubernetes environment with outdated CI/CD processes based on Jenkins. These processes lacked modern practices like GitOps, making it harder to maintain and scale infrastructure. As a result, they faced increasing challenges with:

• Scalability and maintainability of infrastructure

• Manual deployment processes and lack of visibility

• Difficulty onboarding new teams into the development pipeline

They needed a robust, cloud-native solution to modernize their application lifecycle, reduce operational overhead, and enable scalable deployments with confidence.

Proposed Solution & Architecture:

Unified Techs led a full-scale migration to AWS, delivering a GitOps-driven, cloud-native DevOps architecture built around AWS EKS, Terraform, GitHub Actions, and Argo CD (learn more about GitOps).

Infrastructure as Code with Terraform:

We provisioned all AWS infrastructure using Terraform, including:

• VPC networking

• EKS clusters and managed node groups

• IAM roles and policies

• Logging and monitoring integrations

In addition, our team developed modular, reusable Terraform code to ensure consistency across environments and support future scalability.

Architecture:

CI/CD Modernization:

We replaced the client’s monolithic Jenkins pipelines with a modern, GitHub Actions–based CI process. Key improvements included:

• Matrix-based test automation

• Dockerized build workflows with cache optimization

• Integrated code quality checks and artifact publishing

For Continuous Delivery (CD), we implemented a GitOps approach with Argo CD to drive automated Kubernetes deployments directly from source control.

GitOps with Argo CD & Helm:

Applications were refactored into Helm charts. Argo CD was introduced to:

• Automatically sync changes from Git repositories to EKS

• Manage versioned deployments across dev, staging, and production environments

• Enforce RBAC policies and integrate health checks and monitoring

As a result, release processes became more predictable, auditable, and aligned with industry best practices.

Seamless Migration Strategy:

We designed a phased migration approach, starting with low-risk services and progressing to mission-critical workloads. Therefore, the migration achieved minimal downtime while following AWS security and reliability best practices.

Outcomes:

• ✅ Reduced deployment time from hours to minutes

• ✅ GitOps workflows enabled clear, auditable release processes

• ✅ Improved infrastructure scalability and reusability with Terraform

• ✅ Enhanced developer velocity with simplified CI/CD pipelines

• ✅ Zero-downtime cutover for critical production services

Technologies Used:

• AWS EKS

• Terraform

• GitHub Actions

• Argo CD

• Helm

• IAM, VPC, CloudWatch