About the process of creating an application. We talk about UI, test, architecture, observability and how to create an efficient development process.

1. Digital magic
A small project
for controlling
smart light bulbs

2. Francesco Barbera
Work: Sastrify
X: @barberaf84

3. Modern software
-It is complex (and
sometimes complicated)
-Many things to know
-Many decisions to make

4. UI
What is the best way
to interact with the
app?

5. 1.CLI
2.HTTP APIs
3.Web app
UI

6. HTTP APIs
We choose:

7. Architecture
And how to manage the
complexity

8. 1.Layered architecture
2.Vertical slice
architecture
3.Clean architecture
Architecture

9. Clean architecture
We choose:

10. Test
100% coverage!
Or not?!

11. 1.No tests
2.Main functionalities
tested
3.TDD
Test

12. CI/CD
“Rilascia spesso,
rilascia adesso”

13. 1.Manual release
process
2.CI
3.CD
CI/CD

14. Observability
How to ensure
efficient operation
and issue
identification

15. 1.Logging
2.Metrics
3.Tracing
Observability

16. Thank you