user
What steps did John take to ensure a successful transition from legacy infrastructure to containerized applications?
assistant
John Mosquera followed a methodical approach to ensure a successful transition. He began with an assessment of the existing infrastructure to identify bottlenecks and dependencies. He then collaborated with the development team to refactor parts of the application into microservices where feasible. Following this, he designed and implemented a CI/CD pipeline for Docker images and deployed them to AKS clusters, created Helm charts for managing Kubernetes manifests, set up RBAC policies, and configured horizontal pod autoscalers. To maintain visibility, he integrated Datadog agents into the containers. For the actual migration, he orchestrated a phased rollout strategy, starting with non-critical workloads to test stability before moving mission-critical components. Throughout the process, he worked closely with the client's IT operations team, providing training sessions on managing Kubernetes clusters and troubleshooting. John implemented a comprehensive strategy for the transition, beginning with thorough infrastructure assessment and application refactoring, followed by establishing robust CI/CD pipelines with Docker and AKS. His phased rollout approach—starting with non-critical workloads before migrating mission-critical components—minimized risk while providing the client's team with hands-on training in Kubernetes management.