PHP Experience 2016 - [Palestra] Software architecture cant fight the lean startup

THE LEAN STARTUP
SOFTWARE ARCHITECTURE CAN’T FIGHT
#phpExperience#imaster #ﬂowy

FOUNDER OF
FLOWY.ME
IVO NASCIMENTO

THERE ARE PROGRAMS THAT SHOULD NOT BE
CREATED BY A PROGRAMMER.

DOUBT CAN ONLY
BE REMOVED BY
ACTION.
JOHANN WOLFGANG VON GOETHE

WHAT IF PROCESSES
AUTOMATION BECOME EASY?

MVP
CORE DOMAIN
DOMAIN MODEL/BARRIER TO ENTRY
EXISTING DOMAIN/ CODEBASE

(PRONE TO)CUSTOMER
DEVELOPMENT
CORE DOMAIN
DOMAIN MODEL/BARRIER TO ENTRY
(PRONE TO)PRODUCT DEVELOPMENT

DOMAIN MODEL
EXISTENT MARKET 
BARRIER TO ENTRY
CORE DOMAIN/MVP
INOVATION

(PRONE TO)PRODUCT
DEVELOPMENT
INOVATION / MVP
(PRONE TO)CUSTOMER DEVELOPMENT
EXISTENT MARKET 
BARRIER TO ENTRY

RECOGNIZE
IS DIFFERENT FROM TRY
UNDERSTAND BY ACTION.
THINK ABOUT…

20% OF THE TOTAL VALUE
5% OF THE CODE BASE
80% OF THE EFFORT
CORE DOMAIN IN NUMBERS
(POSITIONING IN NUMBERS)

“IF A THING IS WORTH
DOING, IT IS WORTH
DOING BADLY” 
AUGUSTO PASCUTTI (@AUGUSTOHP) 
FROM G. K. CHESTERTON

“CAN YOUR PRODUCT
PROCESS AN EXCEL
DATASHEET ?”
WOW!!! IT IS CLEAN, EASY TO USE AND FAST, BUT…

“THE OTHERS ARE PARAMETER.
THE ONLY VARIABLE IS YOU.” 
FELIPE MARTINS (@FEFAS) 
FROM JOSÉ WHITAKER

TIME KNOW
LEARN
DECISION
KNOW
LEARN
DECISION

TIME
KNOWLEDGE
LEARN
SOFTWARE(FORMALIZATION)
DECISION
KNOWLEDGE DECISION
LEARN

TECHNICAL DEBT
CAN BE
POSITIVE
BUG
FAILURE ?

EVOLUTIONARY
ARCHITECTURE
SUPPORT BUSINESS CERTAINTY

“THE PRODUCT DESIGN IS A
REFLECTION OF THE ORGANISATION
DESIGN” 
ERIKSEN COSTA (@ERIKSENCOSTA) 
THE CONWAY'S LAW

DELAY
ARCHITECTURE
DECISIONS ?

WHAT IS THE TARGET OF MVP?
INFORMATION

LIQUID
ARCHITECTURE
SUPPORT BUSINESS UNCERTAINTY

FSM, BRE, WORKFLOW,
MICROSERVICES,BPM…
SAAS, BAAS…

UNCERTAIN
CERTAIN CORE
DOMAIN
DATA
DOMAIN
SOFTWARE +
KNOWLEDGE
LEARN
DECISION
LEARN
KNOWLEDGE
DECISION

SOFTWARE +
LIQUID
EVOLUTIONARY
CORE
DOMAIN
DATA
DOMAIN
KNOWLEDGE
LEARN
DECISION
LEARN
KNOWLEDGE
DECISION

MINIMAL
VIABLE
ARCHITECTURE
MVA
UNCERTAIN CERTAIN

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