How We Moved a 20-Year-Old Legacy Monolith to Kubernetes in Record Time

Written By Michael Rapaport

Many enterprise modernization projects get stuck in "analysis paralysis" for months. When dealing with a million-line legacy codebase tied to aging architecture, the default answer is usually a slow, risky, multi-million dollar rebuild.

At Integri, we take a different approach. We focus on high-velocity execution to deliver immediate ROI.

Case in point: We recently took on a high-risk Naval Maintenance Legacy Modernization initiative. The mission? Migrate a massive, 20-year-old codebase from Oracle WebLogic/EJB to a modern Spring Boot and Kubernetes architecture.

The Results:

  • Speed to Production: Integrated the legacy vendor codebase in just 3 weeks—completely cutting out external service contracts and saving hundreds of thousands of dollars right out of the gate.

  • Rapid Architecture Shifting: Moved the core EJB architecture to Spring Boot in under a week, upgrading the backend data framework to Hibernate 6 and building a full BDD automated testing framework in days.

  • Cost & Scale Improvements: Completely decommissioned the WebLogic footprint to drop licensing costs and administrative overhead, while utilizing Kubernetes session replication to guarantee horizontal scaling and fault tolerance.

High-velocity modernization doesn't require blowing up your budget. It requires the right engineering blueprint.

Are you ready to kill off vendor lock and legacy overhead? Let’s talk: https://www.integrillc.com/contact-us

#SystemsModernization #CloudNative #Kubernetes #EnterpriseIT #IntegriLLC

Michael Rapaport https://www.integrillc.com
Next

Stop Ripping and Replacing. Start Modernizing at the Speed of Relevance.