Werner Vogels says "Everything fails, all the time" So, to make Contentful's CDN resilient against a possibility of a regional outage, we've built a solution to back our CDN setup with origins spread across multiple regions. This session will explore how to efficiently leverage a Lambda@Edge runtime to reduce latency, and how we built tooling and processes around Lambda@Edge to make it an operable, maintainable, continuously deployable, SLA-abiding first-class citizen of our stack.