Roadshow 2018 - Microservices mit Camunda

Microservices with Camunda

bernd.ruecker@camunda.com | @berndruecker

Co-Founder & Developer Advocate

What I do not need to talk about today:

AirBnb, Uber, Ebay, Deliveroo, …Lemonde, PayPal, N26, …Tesla, …Amazon, Google, Apple, …

Software is eating the world.

Marc Andreessen, Entrepreneur & Investor2011 in „The Wall Street Journal“

„

Photo by techcrunch, available under Creative Commons BY 2.0 license.

to pivot | pivoted, pivoted | [Tech]

50 percent of IoT solutions (typically a

product combined with a service) will originate in startups that are less than three years old.

Gartner

„

If you are not embarrassed by the first version of your product, you’ve launched too late.

Reid Hoffman, Co-Founder LinkedIn (and others)

„

Photo by joi, available underCreative Commons BY 2.0 license

Photo by born1945, available under Creative Commons BY 2.0 license.

Basic idea of dedicated, autonomous (micro-) services

Checkout

Payment

Inventory

Shipment

Dedicated Application Process

Dedicated Persistence Backend

Dedicated Ownership & Dev Team

So that‘s what I do not need to talk abouttoday…

…I want to talk about what this means forworkflow automation and BPM.

Workflow automation in „the serverless age“

# More use cases# Different way to think about BPM

The complexity moves to the collaboration of services

Checkout

Payment

Inventory

Shipment

A lot of services

Distributed systems

Checkout

Payment

Inventory

Shipment

Typical solution approaches:- Circuit breaker- Bulkheads- Service Mesh- … Fail fast

- No distributed transactions

Better! This can takedays to complete!

HTTP: 202 - ACCEPTED

HTTP: 200 - OK

Checkout

Payment

Inventory

Shipment

- No distributed transactions

2007

BPMN

Persistent state handling for long running behavior

Workflow automation in „the serverless age“

# More use cases# Different way to think about BPM

Not only but also at scale

BPM architecture - the traditional view

BPM This is an Anti-Pattern in microservice architectures!

Workflows live inside service boundaries

In DDD: BoundedContexts

Workflows live inside service boundaries

The busines process asfirst class citizen

Finally!

Example

InventoryPaymentOrder ShippingCheckout Monitor

https://github.com/flowing/flowing-retail/

Human Tasks

H2 H2

Good workflow technology

is lightweight and flexible*

and thus can also run decentralized

*think of it as a library

Reality Check

Zalando

Sales-Order and

Order-Fulfillment

via Camunda

for every order worldwide

Orders Q2-2017: 22,2 Mio.

Sales 2016: 3,6 Mrd. EUR

Growth 2016: 23%

Thank you!

Contact:bernd.ruecker@camunda.com

@berndruecker

Slides:https://bernd-ruecker.com

Blog:https://blog.bernd-ruecker.com

Code online:https://github.com/flowing

https://www.infoq.com/articles/events-workflow-automation With thoughts from http://flowing.io

@berndruecker | @martinschimak