Migrating from legacy platforms to node
summary
BBC Food moves from a decade‑old PHP stack to Node with a route‑by‑route rollout, keeping the legacy app live while replacing pages. A small Heston microservice translates legacy calls to a DynamoDB backend, implemented as a REST API with <350 lines and five endpoints, written in about a month. Recipe pages previously aggregate ~20 data calls (some pages 80); site handles ~2 million uniques per week and peaks at 90 rps on Pancake Day. Result: faster loads, componentized front end, and reduced dev time with a steep JS learning curve for some.
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chapters (11)
- 0:00Introduction
- 0:20About Katie
- 1:33Where Katie works
- 2:55BBC sites
- 4:43Why change
- 6:15Progress
- 8:28Heston
- 12:58Demo
- 14:58Improvements
- 17:05Amazon
- 17:33Cost effective
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