Build a CDN Edge Cache

edge TTL cache with purge

Challenge 6 of Traffic & ResilienceIntermediate~55 min

Cache content at the edge: serve origin responses from a TTL cache, track hit/miss ratios, purge stale entries, honor no-store, and route each client to its own regional edge (point of presence).

5 steps

1. 1The Edge Cache
2. 2Hit/Miss Stats
3. 3Purging the Cache
4. 4Honoring No-Store
5. 5Edge Locations