Kubernetes-Based Healthcare Platform Migration

Modernizing healthcare infrastructure requires careful planning and execution to ensure zero downtime during migration. This project involved migrating a critical healthcare platform from traditional infrastructure to a Kubernetes-based cloud-native architecture.

The Challenge

The existing platform was running on traditional infrastructure with manual deployment processes. This led to:

• Long deployment cycles
• Difficulty scaling during peak usage
• Limited disaster recovery capabilities
• High operational overhead

Our Approach

We designed and executed a phased migration strategy:

Phase 1: Infrastructure Preparation

We set up a new Kubernetes cluster using Terraform for infrastructure as code, ensuring reproducible and version-controlled infrastructure. We implemented Helm charts for application deployment, standardizing the deployment process.

Phase 2: Application Containerization

All services were containerized with Docker, with health checks and resource limits properly configured. We established CI/CD pipelines using GitLab CI/CD for automated testing and deployment.

Phase 3: Database Migration

We migrated the PostgreSQL database with minimal downtime using replication and failover strategies. The database is now running on managed services with automated backups and point-in-time recovery.

Phase 4: Gradual Migration

We performed a gradual, zero-downtime migration using blue-green deployment strategies. Each service was migrated individually, with rollback capabilities at every step.

Results

• Zero downtime during migration
• 75% reduction in deployment time
• Auto-scaling implemented for all services
• Automated backups and disaster recovery
• Improved developer experience with standardized deployment processes

The platform is now more reliable, scalable, and easier to maintain.