DevOpsPorto Meetup 38: Intro to FastAPI by Sebastián Ramírez

1. Intro to High performance, easy to learn, fast to code, ready for production
2. Who am I? Sebastián Ramírez github.com/tiangolo linkedin.com/in/tiangolo twitter.com/tiangolo Dev at Explosion Berlin, Germany Explosion created: I created: tiangolo.com
3. About FastAPI • 19K GitHub stars (about 1K+ per month) • Used by Microsoft, Uber, Netflix, etc. • Performance in the top rank for Python @tiangolo
4. Based on standards • OpenAPI • JSON Schema • OAuth2 ✨ Automatic API docs ✨ @tiangolo
5. Based on standards - for free @tiangolo
6. Based on Python type hints • Autocompletion everywhere • Type checks and type errors @tiangolo
7. Types provide autocompletion @tiangolo
8. Easy and short @tiangolo
9. Less API code @tiangolo
10. Basic FastAPI app @tiangolo https://somedomain.com/items/5?q=some+query
11. Basic FastAPI app - docs @tiangolo https://somedomain.com/docs
12. Automatic docs @tiangolo
13. Basic FastAPI app with body @tiangolo
14. Basic FastAPI app with body - docs @tiangolo
15. Basic FastAPI app with body - docs @tiangolo
16. Basic FastAPI app with body @tiangolo
17. Basic FastAPI app with body and query @tiangolo
18. Basic FastAPI app with body and query - docs @tiangolo https://somedomain.com/food/?delivery=true
19. Basic FastAPI app with body and query @tiangolo
20. JSON array of objects in body @tiangolo
21. JSON array of objects in body - docs @tiangolo
22. JSON array of objects in body @tiangolo
23. JSON array of objects in body - invalid data @tiangolo
24. JSON array of objects in body - validation @tiangolo
25. JSON array of objects in body - validation @tiangolo
26. FastAPI auto-completion @tiangolo
27. Type checks @tiangolo
28. All based on standard Python types @tiangolo
29. Metadata @tiangolo
30. Metadata in docs @tiangolo
31. Metadata in docs @tiangolo
32. Required query @tiangolo
33. Required query in docs @tiangolo
34. Required query validation @tiangolo
35. Required query in docs - valid @tiangolo https://somedomain.com/food/?quantity=2
36. Required query in docs - response @tiangolo
37. Required query in docs @tiangolo
38. Validation @tiangolo
39. Validation in docs @tiangolo
40. Validation in docs - response @tiangolo
41. Data validation @tiangolo
42. FastAPI - Performance @tiangolo
43. FastAPI - Performance @tiangolo
44. FastAPI - Other features @tiangolo • Dependency Injection • Security - OAuth2 • WebSockets • Files • Background Tasks • Easy GraphQL integration • More...
45. FastAPI - When not to @tiangolo • Stable • No new features • Not an API
46. Other tools @tiangolo Build great CLIs. Easy to code. Based on Python type hints. Functional deep learning with types, compatible with your favorite libraries. typer.tiangolo.com thinc.ai
47. Thank you! Sebastián Ramírez github.com/tiangolo linkedin.com/in/tiangolo twitter.com/tiangolo tiangolo.com Questions? fastapi.tiangolo.com