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Seattle AWS - Lambda@Edge (Serverless & Originless on AWS)
- 1. clda.co/lambda-‐edge-‐sea.le AWS Lambda@Edge (Preview) Serverless & Originless on AWS 4/17/2017
- 2. About Me @alex_casalboni clda.co/lambda-‐edge-‐sea.le Computer Science Background Sr. SoDware Engineer & Web Developer Cloud Evangelist @ Cloud Academy Serverless Italy Meetup Co-‐Organizer
- 3. Agenda What is Lambda@Edge? Benefits and use cases Preview & GA My personal experiment clda.co/lambda-‐edge-‐sea.le
- 4. What is Lambda@Edge? How does it work and how’s it different from AWS Lambda? clda.co/lambda-‐edge-‐sea.le
- 5. AWS Lambda & Regions us-‐east-‐1 clda.co/lambda-‐edge-‐sea.le
- 6. AWS Lambda & Regions us-‐east-‐1 eu-‐west-‐1 clda.co/lambda-‐edge-‐sea.le
- 7. AWS’s CDN & PoPs 70+ PoPs clda.co/lambda-‐edge-‐sea.le
- 8. Amazon CloudFront StaQc content (web assets, videos, etc.) Dynamic content (cache) 70+ Edge LocaQons Custom SSL & domain name Cache InvalidaQon AnalyQcs dashboard Custom origins (e.g. EC2) Supports cookies & querystrings clda.co/lambda-‐edge-‐sea.le
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- 11. CloudFront Triggers Viewer Request Viewer Response Origin Request Origin Response Before cache hit/miss A8er cache hit/miss Only if cache miss, before forwarding Only if cache miss, a8er forwarding clda.co/lambda-‐edge-‐sea.le
- 12. Benefits and use cases Use cases categorisa@on and analysis clda.co/lambda-‐edge-‐sea.le
- 13. AWS Lambda@Edge Use cases Request/Response manipulaQon Dynamic content generaQon Pure latency opQmizaQon clda.co/lambda-‐edge-‐sea.le
- 14. 1. Request/Response manipulaPon Custom HTTP headers Adapt to client capabiliQes Add Qmezone-‐related info A/B tesQng URL rewriQng / redirects EncrypQon at the Edge clda.co/lambda-‐edge-‐sea.le
- 15. 2. Dynamic content generaPon * Custom error pages Custom signup forms Opzimized JS code (Polyfill.io) Dynamic HTML * Never hit the origin! clda.co/lambda-‐edge-‐sea.le
- 16. 3. Pure latency opPmizaPon * 401 errors (if missing auth) Edge-‐based logging Custom data validaQon Custom data transformaQon * Assuming dynamic origin clda.co/lambda-‐edge-‐sea.le
- 17. Preview & GA What about Preview limita@ons, GA, and pricing? clda.co/lambda-‐edge-‐sea.le
- 18. LimitaPons (preview only) Max 50ms Only 128MB (RAM) Only 1MB of code Only Node.js 4.3 Programming model Only 1 trigger clda.co/lambda-‐edge-‐sea.le
- 19. LimitaPons (permanent) Cold starts Only Node.js No VPC No API Gateway distribuQons Slow propagaQon (~5min) No real-‐Qme logging clda.co/lambda-‐edge-‐sea.le No DLQ Explicit HTTP convenQons
- 20. General Availability (soon!) HTTP calls / AWS SDK Dynamic Content! Be.er (3rd-‐party) monitoring More RAM, Qme, and storage clda.co/lambda-‐edge-‐sea.le MulQple triggers Be.er LocaQon awareness
- 21. Lambda@Edge Pricing $0.60 / 1M calls (requests) $1.00 / 3M calls (duraQon) No Free Tier 50ms granularity clda.co/lambda-‐edge-‐sea.le Example: 6M calls ~ $5.6
- 22. My personal experiment Finally some code :) clda.co/lambda-‐edge-‐sea.le
- 23. Render dynamic HTML with Lambda@Edge < origin-‐less demo > clda.co/lambda-‐edge-‐gist clda.co/lambda-‐edge-‐demo clda.co/lambda-‐edge-‐sea.le
- 24. Thank you =) Q & A 4/17/2017 clda.co/lambda-‐edge-‐sea.le