Reactive Programming Meetup - NodeJs on K8s

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Spark on K8s
(First :)) Reactive Programming Meetup - Dublin - June 2015
Created by /roland@tritsch.org @innolocity
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NodeJs on K8s
(First :)) Reactive Programming Meetup - Dublin - June 2015
Created by /roland@tritsch.org @innolocity

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Today
Reactive programming
Immutable deployments
Google Container Engine
(Kubernetes)
NodeJs on K8s

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About the Roland

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About the Roland

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Reactive Programming

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Reactive Programming
Reactive Programming!!!
Reactive Infrastructure??? - Software Dev Platform (Code, Unit-Test,
Code-Review, , Software Deployment Platform (Packaging,
System/Load-Test, ...), Runtime (Monitoring, Alarming, Logging, ...),
Feedback Platform (A/B test, Performance/Through-put, Was it a good
change?, ...)
Reactive Organisations???

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Immutable Deployments

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Immutable Deployments

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Immutable Deployments

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Immutable Deployments
Insprired by functional programming concepts (Talk by Rich Hickey)
About Snowflakes and Phonixes
By now ... mainstream! Netflix, Gilt, Zalando, Wunderlist, ...
Works well with MicroServices

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Google Container Engine (Kubernetes)

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Google Container Engine (Kubernetes)

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Google Container Engine (Kubernetes)

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Google Container Engine (Kubernetes)

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Google Container Engine (Kubernetes)

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Google Container Engine (Kubernetes)
Concepts: Cluster, Node (master/worker), Pod, Service, ..., Replication
Controller, ...
GCE vs. Mesos vs. Openstack vs. ... - Resources (CPU, Mem, Disk,
Network), Assets (Services, Applications, ...)

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NodeJs on k8s
Hello, World vs. Hello, Meetup
DEMO - Upgrade a running cluster to the next better version of a
NodeJs server implementation

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NodeJs on k8s - DEMO

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What to consider?
1. Do not build it yourself!!!
2. AWS, Google Cloud, RackSpace, Heroku, ...
3. Bamboo, snap-ci, ...
4. Netflix, Zalando, Gilt, Etsy, ...

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Questions?