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# Serverless con Python

### Mauricio Collazos

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[https://github.com/contraslash/serverless-con-python](https://github.com/contraslash/serverless-con-python)
![Qr code](img/qr.png)
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# Disclaimers
- Spanglish
- Curses
- No estoy vendiendo nada
- No live coding
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# Quien soy yo?
![https://media.giphy.com/media/Vw2uzhE0Bwfks/giphy.gif](https://media.giphy.com/media/Vw2uzhE0Bwfks/giphy.gif)
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# ¿Qué es serverless?
![Serverless Logo](https://velopert.com/wp-content/uploads/2018/02/blog-images.003.png)
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# Un poco de historia
![https://medium.com/@keithwhor/rise-of-functions-as-a-service-how-php-set-the-serverless-stage-20-years-ago-ccb560c5f422](https://cdn-images-1.medium.com/max/1600/1*3Nptpxu6ZUul23TTmg-YLQ.png)
    https://medium.com/@keithwhor/rise-of-functions-as-a-service-how-php-set-the-serverless-stage-20-years-ago-ccb560c5f422
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    # Un buzzword mas?

![https://files.gotocon.com/uploads/slides/conference_11/386/original/ServerlessConfusion.pdf](img/hype_cycle.png)
    Confussion in the age of Serverless - Sam Newman

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# Entendiendo los *aaS
![http://www.paulkerrison.co.uk/random/pizza-as-a-service-2-0](http://www.paulkerrison.co.uk/wp-content/uploads/2017/07/Pizza-as-a-Service-2.0-Paul-Kerrison.jpg)
http://www.paulkerrison.co.uk/random/pizza-as-a-service-2-0
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# PaaS == FaaS?
<blockquote class="twitter-tweet" data-lang="es"><p lang="en" dir="ltr">If your PaaS can efficiently start instances in 20ms that run for half a second, then call it serverless. <a href="https://t.co/S3YzvqFYLR">https://t.co/S3YzvqFYLR</a></p>— adrian cockcroft (@adrianco) <a href="https://twitter.com/adrianco/status/736553530689998848?ref_src=twsrc%5Etfw">28 de mayo de 2016</a></blockquote>
<script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
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# Ventajas
- Automatización de infraestructura
- Bases de datos descentralizadas
- Diseño a prueba de fallos
- Crecimiento elástico
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# Puntos críticos

- Empaquetamiento
- Pruebas
- Despliegue
- Análisis de logs
- Seguimiento de errores
- Monitoreo

[Cuando no usar Serverless](https://serverless.com/blog/when-why-not-use-serverless/)
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# Serverless con Python
- [Serverless](https://github.com/serverless/serverless)
- [Zappa](https://github.com/Miserlou/Zappa)
- [Chalice](https://github.com/aws/chalice)
- [Domovoi](https://github.com/kislyuk/domovoi)

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# Alternativas a AWS Lambda, Google Cloud Function , y Azure Functions
- [Apache Open Whisk](https://openwhisk.apache.org/)
- [Fission](https://github.com/fission/fission)
- [Iron Function](https://github.com/iron-io/functions)
- [FnProject](https://fnproject.io/)
- [Open Lambda](https://open-lambda.org/)
- [Kubeless](https://kubeless.io/)
- [Open FaaS](https://docs.openfaas.com/)

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# Algunos enlaces útiles
- [Serverless == NoOps?](https://medium.com/stacks-on-stacks/the-serverless-learning-curve-74e40d3be85c)
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# FAQ
- [Puedo usarlo con Tensorflow](https://serverless.com/blog/using-tensorflow-serverless-framework-deep-learning-image-recognition/)
- [Puedo usarlo para IoT](https://medium.com/stacks-on-stacks/the-economics-of-serverless-for-iot-e3b82a0f66b7)
- [Como lo pruebo lambda localmente](https://github.com/lambci/docker-lambda)

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# Limitaciones
- Tiempos de vida y tamaño de memoria
- Pruebas en máquinas locales
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# Show me the code
![https://media.giphy.com/media/QHE5gWI0QjqF2/giphy.gif](https://media.giphy.com/media/QHE5gWI0QjqF2/giphy.gif)
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    # Generalidades para AWS
    - Cree un usuario IAM de acceso programático con permisos:
      - AWSLAmbdaFullAccess
      - AmazonAPIGatewayAdministrator
    - Introduzca las credenciales en su archivo ~/.aws/config

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Dar las gracias y huir
![https://media.giphy.com/media/3o7ZetIsjtbkgNE1I4/giphy.gif](https://media.giphy.com/media/3o7ZetIsjtbkgNE1I4/giphy.gif)