Djangocong Apps to Services

Transcript

1. Django Apps to Services
2. Craig Kerstiens @craigkerstiens work at @heroku
3. Project App A collection of configuration and apps for a particular Website. (per Django Project) Django
4. Project App A collection of configuration and apps for a particular Website. A web application that does something. I.e. Weblog, Poll, Ticket system (per Django Project) Django
5. Within Django
6. Project Within Django
7. Project App Within Django
8. Project App App Within Django
9. Project App App App Within Django
10. Project App App App Tickets FAQ FaqCreator Within Django
11. REUSABILITY means faster features due to DRY (Don’t Repeat Yourself) REUSABILITY does not always mean SCALABILITY or MAINTAINABILITY
12. Project App A collection of configuration and apps for a particular Website. A web application that does something. I.e. Weblog, Poll, Ticket system (per Django Project) Django
13. Project App A collection of configuration and apps for a particular Website. A web application that does something. I.e. Weblog, Poll, Ticket system Django Service Method of communication over the web. Web APIs allow combination of multiple services
15. Tech imitate Teams Project App App App Tickets FAQ FaqCreator Company Support Knowledge Base
16. App App Support Knowledge Base Teams Grow
17. App App Support Knowledge Base Billing Teams Grow
18. App App Support Knowledge Base Billing Marketing Teams Grow
19. App App Support Knowledge Base Billing Marketing Analytics Mobile API Front End Social Teams Grow
20. App App App Support Knowledge Base Billing Apps Grow Marketing Analytics Mobile API Front End Social 3 Apps
21. App App App Support Knowledge Base Billing Apps Grow App App App Marketing Analytics Mobile App App App API Front End Social 9 Apps
22. Support Knowledge Base Billing Apps Grow Marketing Analytics Mobile API Front End Social 9 Apps 1 Codebase
23. Defined contract for communicating Service
24. Defined contract for communicating Service $ curl -O $FAQ_API/create/ -X “question=my\ question source=123”
25. In Python
26. In Python data = { ‘question’: “my question”, ‘source’: 123 } requests.POST(os.environ[‘FAQ_API’] + ‘/create/’, data=data)
28. Version Bump data = { ‘question’: “my question”, ‘source’: 123, ‘related’: [456, 789] } requests.POST(os.environ[‘FAQ_API’] + ‘/v2/create’, data=data)
29. Version Bump data = { ‘question’: “my question”, ‘source’: 123, ‘related’: [456, 789] } requests.POST(os.environ[‘FAQ_API’] + ‘/v2/create’, data=data)
30. Version Bump
31. Version Bump data = { ‘question’: “my question”, ‘source’: 123, ‘related’: [456, 789] } requests.POST(os.environ[‘FAQ_API’] + ‘/v2/create’, data=data) STILL VALID requests.POST(os.environ[‘FAQ_API’] + ‘/v1/create’, data=data)
32. Whats a service Provider API_HOST= http://127.0.0.1
33. Whats a service Provider Endpoint API_HOST= http://127.0.0.1 /v1/create/
34. Whats a service Provider Endpoint API_HOST= http://127.0.0.1 /v1/create/ Contract { ‘question’: ‘foo bar’, ‘source’: 123 }
35. Service App
36. Service App Models Views URLs Provider Endpoint Contract
37. A SERVICE means REUSABILITY and enables SCALABILITY and MAINTAINABILITY
38. A SERVICE means REUSABILITY and enables SCALABILITY and MAINTAINABILITY
39. Fin. Resources http://bit.ly/djangocong http://bit.ly/appstoservices http://www.12factor.net