- Perfect Architecture of Monolith. - Perfect Architecture of Microservices. - The development of general framework of the platform. - The adaptation of development and deployment processes. - The monitoring and tuning. - The fault-tolerance and emergency situations.

1. Transformation of
Monolith

2. ... a software application in which the user
interface and data access code are combined into
a single program from a single platform.
–Wikipedia

3. Application
Business Logic
Data Access
Database
User Interface
A B C D

4. Traditional approach

5. Application
Dev Team 2
Dev Team 3
Dev Team 1
Dev Team 4
Dev Team 5

6. Decompose business
domains

7. Application
A
C
B
G
H
E
D
F
J
K
I

8. Application
A
C
B
G
H
E
D
F
J
K
I
Dev Team 2
Dev Team 3
Dev Team 1 Dev Team 4
Dev Team 5

9. Organizations which design systems are
constrained to produce designs which are copies
of the communication structures of these
organizations.
–Melvin Conway

10. B
C
Database
A

11. Database Database Database
B
C
A

12. Database Database Database
B
C
A

13. BA
Sales Person
Customer
ProductOpportunity
Category
Customer
Product
Provider
Order
Business Unit

14. Deployment

15. A...HTTPS

16. LB
A1
...HTTPS
A2

17. LB
A1
...HTTPS
Discovery
A2

18. LB
A1
...HTTPS
A2
Health Check

19. Discovery
LB
A2
A1
...HTTPS

20. A2
LB
...
HTTPS
A2A2A
LB A2B
LB A2A2C
APIGateway
DiscoveryDiscovery

21. A2
LB
...
HTTPS
A2A2A
LB A2B
LB A2A2C
APIGateway
DiscoveryDiscovery
HTTPS

22. Messaging

23. LB E
Message Bus
D
FA1
A2
DD
E
FF

24. B
A
C
publisher
subscriber
Event A
Event B
AA
BBB
C

25. DevOps

26. A
C
B
G
H
E
D
F
J
K
I
C
D
F
K
K
J
D
A
B
B
B
E
I
I
H
G
G
C

27. A
C
B
G
H
E
D
F
J
K
I
C
D
F
K
K
J
D
A
B
B
B
E
I
I
H
G
G
C

28. A
C
B
G
H
E
D
F
J
K
I
C
D
F
K
K
J
D
A
B
B
B
E
I
I
H
G
G
C

29. DevOps Orchestration
Chaos Monkey
A
C
B
G
H
E
D
F
J
K
I
C
D
F
KK
J
D
A
BBB
E
II
H
GG
C

31. Monolith First!

32. - Almost all the successful microservice stories have
started with a monolith that got too big and was
broken up.
- Almost all the cases where I've heard of a system
that was built as a microservice system from
scratch, it has ended up in serious trouble.

33. Thank you!