Joshua Miller details H-E-B's strategic migration from legacy COBOL mainframes to modern microservices using Haskell to handle complex supply chain demands. The article highlights the significant challenge of extracting bespoke institutional knowledge from decades-old business logic while maintaining operational reliability.
Background
H-E-B is a major US grocery retailer facing increasing pressure to modernize its IT infrastructure to support digital services like curbside pickup and real-time inventory management.
- Source
- Lobsters
- Published
- Jul 18, 2026 at 05:51 AM
- Score
- 7.0 / 10