The document outlines the core practices and philosophies of DevOps and technical agility as presented by Lemi Orhan Ergin, emphasizing software craftsmanship and continuous delivery. It highlights the importance of practices such as user needs identification, agile methodologies, and automated testing within software development. Additionally, it discusses operational aspects like infrastructure as code, deployment automation, and the value of community engagement in advancing software development skills.

1. DevOps & Technical Agility
LEMi ORHAN ERGiN
Agile Software Craftsman, iyzico
/in/lemiorhan /lemiorhan
. .
from theory to practices

2. /lemiorhan
lemiorhanergin.com
@lemiorhan
LEMi ORHAN ERGiN
agile software craftsman @ iyzico
ex-Sony, ex-eBay/GittiGidiyor
founder of Turkish Software
Craftsmanship Community

3. but it sucks!
software development is cool
sucks
sucks
sucks
sucks
sucks
sucks
sucks
sucks
sucks
sucks
sucks

4. ?agile, lean, devops
continuous delivery
next gen operations

11. YOU BUILD IT
YOU RUN IT

12. BE RESPONSIBLE OF
design
architecture
quality
testing
performance
maintenance
operations
practices
OF YOUR WORK

13. start

14. white
board

15. white
board
problem identification
qualitative research methods
user needs identification
storytelling
brainstorming
voting

16. white
board
idea
prioritized

17. white
board
idea
prioritized
prototype
proposed mvp / mvi
product backlog management
sprint planning

18. white
board
idea
prioritized
development
started

19. white
board
idea
prioritized
development
started
evolutionary architecture
emergent design
pair programming
code review
source code management
continuous integration
automated tests (unit, functional, etc)
design patterns
refactoring
design by tests (tdd, bdd, atdd)
clean code principles

20. white
board
idea
prioritized
development
started
uat and
harnessing

21. white
board
idea
prioritized
development
started
uat and
harnessing
test automation
automated acceptance testing
static code analysis

22. white
board
idea
prioritized
development
started
uat and
harnessing
going
live

23. white
board
idea
prioritized
development
started
uat and
harnessing
going
live
continuous delivery
continuous deployment
frequent releases
continuous monitoring
disaster recovery
real time verification

24. white
board
idea
prioritized
development
started
uat and
harnessing
going
live
idea Analysis DEVelop testing

25. white
board
idea
prioritized
development
started
uat and
harnessing
going
live
idea testing

26. white
board
idea
prioritized
development
started
uat and
harnessing
going
live
idea Analysis DEVelop testing
1 missing point?

30. re-write
from scratch

31. maintenance
re-write
from scratch

32. white
board
idea
prioritized
development
started
uat and
harnessing
going
live
idea Analysis DEVelop testing maintenance
2 missing lanes?

33. white
board
idea
prioritized
development
started
uat and
harnessing
going
live
idea Analysis DEVelop testing maintenance
operations
configuration management
provisioning
containerization
virtual servers
cloud infrastructure
infrastructure as code & version
central logging & auditing
automatic scalability
db versioning
service virtualization
deployment automation
one step env creation
deployment approaches
automate everything

34. white
board
idea
prioritized
development
started
uat and
harnessing
going
live
idea Analysis DEVelop testing maintenance
software
craftsmanship
brown bag sessions
community of professionals
lean meetups
code retreats
off-the-stack projects
mob programming
new habbits
development manifesto
foremen
craftsmanship programs
proficiency on tools
agile documentation
operations

35. white
board
idea
prioritized
development
started
uat and
harnessing
going
live
idea Analysis DEVelop testing maintenance
software
craftsmanship
operations

37. unit tests
basic CI
few scripts
procedures
manual deploys
manual reports
dev+test in team
version db
stored builds
auto int. tests
static code an.
auto reports
act on metrics
conf as code
feature toggling
auto deploy
pipeline to prod
auto acc. tests
team responsible
kaizen
push metrics
zero downtime
auto db deploys
full auto tests
no rollbacks
cross func. teams
infra as code
zero touch
verify b. value
silo analysis