Full Stack Serverless @ DevOps Days Boston

"Serverless". It is already being called the buzzword of 2016. Steve is going to bring "serverless" back to reality by showing how Bustle has built a fully serverless application platform. Real production examples handling millions of API calls a day. You will leave knowing if the hype is justified.

Transcript

1. Fullstack Serverless at Scale
2. Steve Faulkner @southpolesteve
5. Director of Platform Engineering @ Bustle
7. The Hitchhiker’s Guide to Serverless
8. hype! serverless 101
 why? why not? serverless @ bustle tools
12. The people who are serving websites on Lambda or something are not only doing it wrong, they are wasting money while locking themselves in to an architecture that doesn't fit their app - @scrollaway on HN
13. “Serverless”
14. Backend as a Service
17. Functions as a Service
18. run code only when needed
19. pay only when code is running
20. don’t bother me with details
21. web programming
22. request response
23. yourApp()
24. app.get(‘/‘,(req,res) => {
 // DO STUFF
 res.end(‘stuff done!’) })
29. FaaS + Routing
30. Lambda + API Gateway
31. Lambda
33. write code zip upload fn()
34. node,java,python
35. node shim + rust,go, haskell,etc
36. function(event,context,cb){ cb(null, ‘Hello World’) }
37. versioning aliases RAM + CPU logging event sources
38. API Gateway
40. click around a lot
41. cache/throttle authorization api keys stages logging/metrics custom domains ssl swagger import/export
42. Lambda <-> API gateway spolier alert: tooling
43. why?
45. node docker ember “serverless” javascript
46. happiness building shipping
47. ops
48. startup ops: 
 heroku.down? getLunch()
49. not startup ops: 
 let’s have a plan
50. “serverless” ops: 
 LOL! SERVERS?
51. “serverless” ops: 
 LOL! SERVERS?
52. yes… there are still servers…
53. “serverless” ops: 
 let’s still have a plan
54. benchmark
 fallbacks load testing
 less ops?
55. scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale scale
57. less changes between 1 RPS and 1000 RPS
59. 10-20 million/day
60. ~1s deploys
61. $$$$
62. events API
63. ec2 ~$2500/mo
64. lambda api gateway ~$400/mo
65. why not?
66. lock in
67. const express = require(‘express’) const fn = require(./lambda-fn/) const app = express() app.get('/', (req, res) => { fn.handler(null, null, (err, result) => { res.json(result) }) }); app.listen(3000)
68. cold functions
69. ~3.5 hours - Eric @ iopipe.com
70. long running tasks
71. 6 min max
72. s3(3GB) Lambda Kinesis Firehose Elasticsearch
73. testing
74. test in the cloud
75. ssl
76. serverless @ bustle
77. frontend
79. API Gateway S3 Lambda html + js
80. backend
82. API Gateway Lambda JSON dynamodb redis
83. tooling
84. serverless framework node-lambda (js) apex sparta (go)
86. npm install -g shep@beta
87. JavaScript Only no CF,terraform
 swagger
 webpack builds
 environments mapping templates
88. shep new my-api shep generate endpoint shep deploy production
89. github bustlelabs/shep
91. we are hiring @ bustle!
92. say hi if you’re in philly!
93. questions? Steve Faulkner @southpolesteve