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![the GIF Maker
FROM alpine:3.6
ADD https://github.com/alexellis/faas/releases/download/0.5.6-alpha/
fwatchdog /usr/bin/
RUN apk --no-cache add ffmpeg gifsicle
WORKDIR /root/
COPY entry.sh .
ENV fprocess=“./entry.sh"
CMD ["fwatchdog"]
DOCKERFILE](https://image.slidesharecdn.com/openfaasossummit-170927172118/85/Zero-to-Serverless-OpenFaaS-at-the-Open-Source-Summit-22-320.jpg)
Uploaded byAlex Ellis
Zero to Serverless - OpenFaaS at the Open Source Summit
The document discusses OpenFaaS, an open-source serverless framework built on containers, enabling users to deploy functions easily on Docker and Kubernetes. It highlights the platform's features, such as portability, versatility, and the ability to leverage existing skills, while also addressing various use cases and demonstrating how to create and manage functions. The document outlines future plans for OpenFaaS, including community contributions and upcoming events.
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Zero to Serverless - OpenFaaS at the Open Source Summit
- 1. OpenFaaS framework Serverless functionsfor Docker & Kubernetes OPEN-SOURCE SUMMIT - 11TH SEP @alexellisuk / openfaas.com
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- 3. “Alexa, how’s the weather?” {“intent”: “FindWeather” } { “speech”: “It’s 70 degrees” } Lambda Function
- 4. “Alexa, how’s the weather?” {“intent”: “FindWeather” } { “speech”: “It’s 70 degrees” } +
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- 6. OpenFaaS DRIVING FACTORS PortabilityEase ofuse Simplicity Open Platform
- 7. How did OpenFaaScome about? STORY SO FAR • “Lambda but on containers for Alexa” • Dockercon Cool Hacks - “push Docker beyond what it was designed to do” • Major changes since Dockercon • Top trending Open Source project overall • > 5.4k stars • Kubernetes & external provider support • Asynchronous processing via NATS • CLI & templating • Regular contributors & Slack Community
- 8. OpenFaaS top contributorsand influencers
- 9. What are serverlessuse-cases? ANYTHING Image/Video conversion Machine Learning Mobile Back- ends / IoT HTTP services Chat Bots Batch Jobs
- 10. What is OpenFaaS? "ASERVERLESS FRAMEWORK BUILT ON CONTAINERS" • Basic primitive: containers in OCI format • Container security • r/o filesystem, privilege drop, content trust • Manage functions with scheduler/orchestrator • Rich container eco-system - commercial & community • Anything can be a function - polyglot • Leverage existing skills in teams (including Windows) • Avoid vendor lock-in • Run anywhere - cloud or on-prem
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- 13. Comes in oneflavor: Cloud Native API Gateway Function Watchdog Prometheus Swarm Kubernetes
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- 15. Performance - forkvs After Burn HELLO-WORLD & APACHE-BENCH
- 16. Deployed in 60seconds QUICK DEMO
- 17. How do Iwrite a function? WRITE A HANDLER def handler(req): r = requests.get(req) print(r.status_code) handler.py requirements.txt Python Template Docker Image requests $ faas-cli new --lang python --name sample Container Registry
- 18. What languages areavailable? SHORT ANSWER - ANY • Use supported templates • Edit them or bring your own • Or go “full Docker”
- 19. How do Iarrange functions? provider: name: faas gateway: http://localhost:31112 shrink-image: image: functions/resizer:latest fprocess: "convert - -resize 50% fd:1” environment: MAGICK_FONT_PATH: /fonts url-ping: lang: python handler: ./sample/url-ping image: alexellis/url-ping $ faas-cli build -f ./sample.yml $ faas-cli deploy -f ./sample.yml YAML STACK $ faas-cli new --name url-ping --lang python
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- 21. the GIF Maker ffmpeg gifsicle FULLDOCKER EXAMPLE
- 22. the GIF Maker FROMalpine:3.6 ADD https://github.com/alexellis/faas/releases/download/0.5.6-alpha/ fwatchdog /usr/bin/ RUN apk --no-cache add ffmpeg gifsicle WORKDIR /root/ COPY entry.sh . ENV fprocess=“./entry.sh" CMD ["fwatchdog"] DOCKERFILE
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- 24. Kubernetes support VIA EXTERNALPROVIDER kubernetes • Rich eco-system • Large user-base with existing on-prem/ hybrid deployments • Similar primitives to Docker Swarm
- 25. Kubernetes support VIA EXTERNALPROVIDER Gateway faas-netes UI CLI Web Func 1 Func 1 Func 2 faas-hyper faas-nomad
- 26. Synchronous invocation IN STORERETURNS marshal request Gateway Func: resizer HTTP 200 Resize Image
- 27. Asynchronous invocation RETURN APRODUCT BY MAIL NATS Queue marshal request Gateway Queue-worker dequeue Func: resizer HTTP 200 HTTP 200 Resize Image
- 28. Asynchronous concerns ADDED COMPLEXITY •Points of failure: • Func*on • Queue-worker • Queue system • Func*on response • Store in S3 or aDB • Poll for result • Callback to URL? Composable complexity
- 29. Asynchronous invocation WITH ACALLBACK-URL Gateway Func: resizer HTTP 200 http://x.y.z X-Callback-Url: hUp://x.y.z X-Callback-Url Resize Image Queue etc
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- 33. What’s next forOpenFaaS? SET REPLICAS = 10,000 • Roadmap - supporting users • Evaluating - ADP, Huawei, CodeFresh, MadGlory, IRT Saint Exupery • Community language templates, helm chart • AfterBurn optimisations • Guides, manual & tutorials for developer-clouds • Get SWAG and get involved • Contributors, sponsorship and finding a home • Speaking • Open-Source Summit, L.A. - Sept • JeffConf, Milan - Sept • Dockercon EU, Copenhagen - October - discount code “CaptainAlex”
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- 35. Bonus material FUNCTIONS /DEMOS • Dockercon closing keynote (video) Derek • https://github.com/alexellis/derek Twitter + Elastic search / Youtube Downloader • https://github.com/alexellis/journey-expert Other functions • https://github.com/alexellis/faas-contributor-stamp • https://github.com/alexellis/faas-office-sample • https://github.com/alexellis/faas-img2ansi
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- 38. External providers Gateway Watchdog Gatewayfaas-netes Watchdog Gateway Create Swarm Service Gateway faas-netes Create deployment & service Invoke Deploy fprocess fprocess