Deploying Microservices with Kubernetes

A talk on Kubernetes given at Codeaholics in Hong Kong on Wednesday June 10th 2015

Note: there's a clear Steve Holmes theme going on, because this was Steve's last Codeaholics before he left Hong Kong.

Transcript

1. Deploying Microservices with Kubernetes Matthew Rudy Jacobs @ Codeaholics HK
2. I’M STILL ADDICTED TO HEROKU 2
3. KILLER FEATURES:
4. `git push heroku master` 4 deploy from the command line
5. `heroku rollback` 5 jump back to an old version in an instant
6. `heroku config` 6 set environment variables on-the-fly which your containers instantly see
7. `heroku run shell` 7 run any code interactively within a container
8. WHAT’S NEXT?
12. I’M SAYING “KUBERNETES”
18. THE CONCEPTS
19. Gateway Todos Users Auth FROM LAST TIME Riak SQL Mailer Search ElasticSearch
20. Service Service Service Service EVERYTHING’S A “SERVICE” Service Service Service Service Service
21. SERVICES ARE LINKED Service SEARCH_SERVICE_HOST SEARCH_SERVICE_PORT USERS_SERVICE_HOST USERS_SERVICE_PORT GATEWAY_SERVICE_HOST GATEWAY_SERVICE_PORT RIAK_SERVICE_HOST RIAK_SERVICE_PORT
22. A COLLECTION OF PODS Pod Pod Pod Pod :80 :8080
23. THE PODS CAN BE DIFFERENT Pod Pod Pod Pod :80 :8080
24. A POD IS A GROUP OF IMAGES Pod Web :8080 Worker
25. SECRETS Pod Web :8080 Worker /etc/secrets Secrets mount
26. DISTRIBUTED ACROSS NODES Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod
27. AVAILABILITY CONTROLLERS KEEP THEM AVAILABLE Pod Pod Pod Replicas = 3
28. CRASHED POD Pod Crash Pod Replicas = 3 Pod
29. SCALE Pod Pod Pod Replicas = 7 Pod Pod Pod Pod
30. ROLLING UPDATE Pod V1 Pod V1 Pod V1 Pod V2 V1 Controller V2 Controller Create a New Controller And Resize until they swap over
32. LIVE DEMO
33. THANKS STEVE