12 Factor App

12 Factor Application talk given at Cloud East

Transcript

1. 12 Factor App
2. Craig Kerstiens @craigkerstiens work at @heroku
3. First Some History
4. Where We’ve Been Version Control | Dependency Management | Build Release
5. Where We’ve Been Version Control | Dependency Management | Build Release Folders
6. Where We’ve Been Version Control | Dependency Management | Build Release Folders SVN,Perforce,Source Safe
7. Where We’ve Been Version Control | Dependency Management | Build Release Folders SVN,Perforce,Source Safe Git,Mercurial
8. Version Control | Dependency Management | Build Release Now
9. Version Control | Dependency Management | Build Release Now 1 Code base Many deploys
10. Version Control | Dependency Management | Build Release Now 1 Code base Many deploys
11. Version Control | Dependency Management | Build Release Now 1 Code base Many deploys
12. Version Control | Dependency Management | Build Release Where We’ve Been
13. Version Control | Dependency Management | Build Release Where We’ve Been $ python setup.py install $ ruby setup.rb install
14. Version Control | Dependency Management | Build Release Where We’ve Been $ python setup.py install $ ruby setup.rb install $ INSTALL FROM SOURCE
15. Version Control | Dependency Management | Build Release Now
16. Version Control | Dependency Management | Build Release $ pip install -r requirements.txt $ bundle install Now
17. Version Control | Dependency Management | Build Release $ pip install -r requirements.txt $ bundle install Now $ INSTALL PINNED VERSIONS
18. Version Control | Dependency Management | Build Release Where We’ve Been
19. $ rsync myproject tomyserver Version Control | Dependency Management | Build Release Where We’ve Been
20. Version Control | Dependency Management | Build Release Now
21. Version Control | Dependency Management | Build Release Now
22. Version Control | Dependency Management | Build Release Now
23. Enough History
24. 12 Factor
25. Declarative Setup - Minimize Setup Time 12 Factor
26. Declarative Setup - Minimize Setup Time Clean Contracts - Portability 12 Factor
27. Declarative Setup - Minimize Setup Time Clean Contracts - Portability Deploy Practices - Cloud and horizontal scaling 12 Factor
28. Declarative Setup - Minimize Setup Time Clean Contracts - Portability Deploy Practices - Cloud and horizontal scaling Minimize Divergence - Continuous Deployment 12 Factor
29. Dev-Prod Parity Dev Prod Parity | Config | Concurrency | Backing Services | Logs
30. dev Dev-Prod Parity Dev Prod Parity | Config | Concurrency | Backing Services | Logs
31. dev = staging Dev-Prod Parity Dev Prod Parity | Config | Concurrency | Backing Services | Logs
32. dev = staging = prod Dev-Prod Parity Dev Prod Parity | Config | Concurrency | Backing Services | Logs
33. dev = staging = prod sqlite postgres postgres Dev-Prod Parity Dev Prod Parity | Config | Concurrency | Backing Services | Logs
34. dev = staging = prod sqlite postgres postgres Dev-Prod Parity Dev Prod Parity | Config | Concurrency | Backing Services | Logs ≠ ≠
35. dev = staging = prod sqlite postgres postgres postgres = postgres = postgres Dev-Prod Parity Dev Prod Parity | Config | Concurrency | Backing Services | Logs ≠ ≠
36. Config Dev Prod Parity | Config | Concurrency | Backing Services | Logs
37. Config var server=”servername” var username=”username” var password=”password” var dbname = “dname” Dev Prod Parity | Config | Concurrency | Backing Services | Logs
38. Config Dev Prod Parity | Config | Concurrency | Backing Services | Logs
39. Config (External to your code) Dev Prod Parity | Config | Concurrency | Backing Services | Logs
40. Config (External to your code) var server=ENV[‘server’] var username=ENV[‘username’] var password=ENV[‘password’] var dbname = ENV[‘dbname’] Dev Prod Parity | Config | Concurrency | Backing Services | Logs
41. Processes Dev Prod Parity | Config | Concurrency | Backing Services | Logs
42. web.1 Processes Dev Prod Parity | Config | Concurrency | Backing Services | Logs
43. web.1 web.2 Processes Dev Prod Parity | Config | Concurrency | Backing Services | Logs
44. web.1 web.2 Scale Processes Dev Prod Parity | Config | Concurrency | Backing Services | Logs
45. web.1 web.2 worker.1 clock.1 Workload Diversity Scale Processes Dev Prod Parity | Config | Concurrency | Backing Services | Logs
46. web.1 web.2 worker.1 worker.2 worker.3 worker.4 clock.1 Workload Diversity Scale Processes Dev Prod Parity | Config | Concurrency | Backing Services | Logs
47. Backing Services Dev Prod Parity | Config | Concurrency | Backing Services | Logs
48. Backing Services Dev Prod Parity | Config | Concurrency | Backing Services | Logs Stateless Processes
49. Backing Services Dev Prod Parity | Config | Concurrency | Backing Services | Logs Stateless Processes External Config
50. Backing Services Dev Prod Parity | Config | Concurrency | Backing Services | Logs Stateless Processes External Config DATABASE_URL=postgres://username:pass@host/db MEMCACHE_URL=username:pass@host/db
51. Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
52. How we use logs $ ssh tomyserver $ cat access_log Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
53. How we use logs $ ssh tomyserver $ cat access_log How we perceive logs $ tail -f access_log Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
54. Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
55. DB Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
56. DB Web Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
57. DB Web Worker Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
58. Event Stream DB Web Worker Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
59. Event Stream 2012-02-22T19:56:40+00:00 [postgres]: .... 2012-02-22T19:56:40+00:00 [router]: GET mysite.com/ ... 2012-02-22T19:56:40+00:00 [nginx]: .... 2012-02-22T19:56:40+00:00 [worker]: .... DB Web Worker Logs Dev Prod Parity | Config | Concurrency | Backing Services | Logs
60. 12 Factor
61. Declarative Setup Clean Contracts Deploy Practices Minimize Divergence 12 Factor
62. Fin. Resources http://craigkerstiens.com http://speakerdeck.com/u/craigkerstiens http://www.12factor.net