Monolith to Microservices
Data center to AWS
.NET / Windows to JVM / Linux
Devs + Ops to DevOps culture
Involve product people
Five challenges
WW
Strategic GoalsGoals of the business side
Architectural PrinciplesHigh-Level Principles
Design and Delivery PrinciplesTactical measures
Reduce Time to MarketSpeed, Fast Feedback
Cost Transparency Collect metrics to allow decisions cost vs. value.
Support Data-Driven DecisionsListen to users and validate hypothesis.Provide as many relevant metrics & data as possible.
You build it, you run itResponsibility to run and maintain a product stays with the building team. Fast feedback from live and customers helps us to continuously improve.
Organized around Business CapabilitiesBuild teams around products not projects. Follow the domain and respect bounded contexts. Inverse Conway Maneuver
Shared NothingAvoid shared infrastructure and tight coupling as much as possible. Don’t create the next monolith.
Macro and Micro ArchitectureClear separation. Autonomous micro services within the rules and constraints of the macro architecture.
AWS FirstFavor AWS service over managed service, over self-hosted OSS, over self-rolled solutions.
Data-Driven/ Metric-DrivenCollect metrics from processes and applications. Analyze, alert and act on them.
Eliminate Accidental ComplexityStrive to keep it simple. Focus on essential complexity. No silver bullet.
Event Sourcing and PublishingKeep history of state changes and publish application events.
Autonomous TeamsMake fast local decisions. Be responsible. Know your boundaries. Share findings.
Continuous DeliveryDeliver changes reliable, often and fast.
Infrastructure As CodeAutomate everything: Reproducible, traceable and tested.Immutable servers over snowflake servers.
DevOps CultureDevelopers and Ops work together in collaborative teams as engineers. No silos.
Be BoldGo into production early. Value monitoring over tests. Recover and learn. Optimize for MTTR not MTBF.
Security & Data PrivacySecurity must be first class citizen and everybody’s concern. Keep data-privacy in mind.
CC
Principles
Organized around business capabilities
You build it, you run it
Be bold
Macro and micro architecture
Event sourcing and publishing
CWCW
DynamoDB as integration database?
Two kinds of coupling
Payload and connectivity
Payload is DynamoDB agnostic
DynamoDB as technical service contract
WW
DynamoDB as integration database?
Two kinds of coupling
Payload and connectivity
Payload is DynamoDB agnostic
DynamoDB as technical service contract
Event Sourcing rocks
WW
From documents to events
Refactoring toward deeper insight
From CRUD to sync
Offline first
Writes are expensive
USD 20 over USD 500
CC
Shared infrastructure
Shared nothing
Availability over shared nothing
Convenience offerings
No side effects
Fast local decisions over committees
CC
Shared nothing?
How many environments?Use over re-useRe-use only after hardeningHow to share
Copy n’paste, OSS, libraryPull instead of push
WW
How to build autonomous teams
Do not fall back into old behavioursBeware of Mandelbrot teamsPager duty so that you run itPart-time ops not workingNot all T-shapes are the same
Wolf
WW
Infrastructure guild
Agree on things to do
Share learnings
Delegate implementation to teams
Empty backlog should be normal
How about infrastructure product teams?
Mind the Shirky PrincipleCC
Focus sliders (cont.)
Cash stack meets shiny new stack
One company
Lights on in cash stack
Feature freeze
Where to build new features?
Ease of integration helps business peopleCC
[email protected] @[email protected] @wolfwolf
AttributionsBlue sky, white-gray clouds by nature protector Natubico, www.vivism.info [CC BY-SA 3.0]
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EINRADAmazon16 by Neil Palmer/CIAT [CC BY-SA 2.0] https://www.flickr.com/photos/ciat/5641594952
BERGSTEIGERBarber in Cameroon by James Emery from Douglasville, United States (Daddy Joe_1355) [CC BY 2.0]
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%3AWide_objectives.jpgTransformer Fire Barrier by GerryS1 (Own work) [CC BY-SA 3.0 or GFDL] http://commons.wikimedia.org/wiki/File
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Attributions (cont)Alonso Renault Pitstop Chinese GP 2008 by Bert van Dijk (Pitstop F1 ING Renault) [CC BY-SA 2.0]
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%3APrinciple_of_Panchasheel.JPGTraffic Jam by Doo Ho Kim [CC BY-SA 2.0] https://www.flickr.com/photos/titicat/3049591547
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Pipes and Valves by Uwe Hermann [CC BY-SA 2.0] https://www.flickr.com/photos/73628542@N00/6272975359Size variation in Coccinella undecimpunctata (2127991716) by Gilles San Martin from Namur, Belgium [CC BY-SA 2.0]
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Attributions (cont)Sharing Sucks (4536747557) by eyeliam from Portland, United States [CC BY 2.0]
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tm) [CC BY 2.0] http://commons.wikimedia.org/wiki/File%3A7Line_9184_(8263568241).jpgEngland rugby team 1905 by Russell & Sons (The Graphic) [Public domain or Public domain]
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%3AFaber-Rechenschieber_5304.JPGWheel clamps Texas by Richard Anderson from Denton, United States (Boots.) [CC BY-SA 2.0]
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