Glynn Bird - Building the "microservices way" involves breaking monolithic IT systems into small, decoupled services that each to one job well. This talk builds a practical microservices architecture during the talk using small Node.js apps that perform storage, analytics and visualisation tasks. Learn how to orchestrate your own microservice architecture using simple, easily-tested building blocks.

1. Microservices Live
Glynn Bird
Developer Advocate @ IBM Cloud Data Services
glynn.bird@uk.ibm.com
@glynn_bird www.glynnbird.com

2. The monolith

5. Unix philosophy
"Write programs that do one thing and do it
well.
Write programs to work together. "
Doug McIllroy

6. Command-line tools
• Simple tools that do one job
• Can be piped together to create streams of work
• Share common data format

7. Command-line tools
cat test.txt | grep "cake" | sort –u | wc -l

8. Microservices approach
• Small dedicated services that do one job
• Can be composed
• Share common data format

9. The word “Microservices”
• Docker containers
• RESTtful APIs
• Service Oriented Architecture

10. My definition of Microservices
• Small apps that do one job
• Fed by queue or API

11. Traditional app
Metrics Collector v1
Database

12. Microservices app
Metrics
Collector
MicroService
Storage
queue/pubsub
Analytics
RT
Dashboard

13. Queue

14. PubSub

15. Queue/Hub/MessageBroker technologies
Redis
in-memory database with list and pubsub features
RabbitMQ
scalable message queue and pubsub hub
Apache Kafka
hugely scalable message hub

16. Demo

17. Metrics Collector Microservice

18. Database-as-a-Service
• Spin up a database
• Try it out
• If it’s not for you, kill it
• P.A.Y.G
compose.io

19. Off-the-shelf Microservices

20. Off-the-shelf Microservices

21. Amazon Kinesis

22. OpenWhisk

23. Developer Advocate
Glynn.bird@uk.ibm.com
Thanks
Glynn Bird
Blog: www.glynnbird.com
Twitter: @glynn_bird