Service Oriented Architecture Vs Monolithasaurus

SOA

Transcript

1. service oriented architecture
3. service oriented architecture
7. Working memory
14. Fight back! - Solid OO techniques - Refactoring - Paying back technical debt - Test driven development - Continuous integration
15. Easy to change
16. Service Oriented Architecture
17. SOA Build applications out of smaller ones
18. Services = HTTP =
19. REST + Message queues
20. REST
21. Message queues SQS, RabbitMQ, ActiveMQ, Resque, etc
22. OO principles - Single responsibility - Loose coupling - Cohesion - Encapsulation
23. Real world? There are no rules
24. auth users front-end blog social reviews recommendations stock shipping payments tags baskets history
25. Online record shop
27. Extract functionality into services
29. Reviews Recommendations Product info Stock levels
30. reviews-service REST + JSON
31. reviews-service GET /reviews/id POST /reviews PATCH /reviews/id DELETE /reviews/id
32. reviews-service GET /reviews/id { json }
33. reviews-service POST /reviews { json }
34. reviews-service { json } BONUS: Client-side rendering!
35. reviews-service application/json text/html
36. Isolated
37. Reusable
38. Interoperable
39. Agile
40. Scalable
41. Robust
42. Shipping
43. shipping-service
44. Shop Shipping-service Message queue { order details }
45. /api/shippings
46. Isolated Reusable Interoperable Agile Scalable Robust
48. hydra.io API for building & profiting from digital image apps
49. /uploads /products /orders /artworks image processing hydra.io
50. /uploads /products /orders /artworks image processing hydra.io
51. /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 hydra.io
52. /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 hydra.io
53. /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque) hydra.io
54. /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque) hydra.io
55. /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque) hydra.io
56. /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque) hydra.io
57. api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque) hydra.io
58. api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque)
59. admin tools api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque)
60. admin tools api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque)
61. admin tools backbone.js hydra gem api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) api.hydra.io proxy (HAProxy) /uploads /products /orders /artworks image processing MongoDB MongoDB MongoDB S3 message queue (resque)
62. Small, sharp tools
63. SOA is Lego for developers
64. Change is easy Change is hard
65. Prefactoring Draw pictures & simplify
66. When to extract into services? Mature functionality
67. Environments Staging
68. http://12factor.net/ Deployments
69. Caching at every layer Performance
70. - Test in isolation - Integration tests Testing
71. Everything Automate
72. Warning! Polyglot?
73. Reuse & Consistency
74. Nooo! Centralised Database
75. Keep checking the big picture
76. /api/v2/gorillas Versioning
77. Parallel HTTP requests
78. Small steps
79. Conclusions
80. 1. Discipline pays
81. 2. Minimise coupling
82. 3. Small services
83. 4. Reduce complexity
84. 5. Check the big picture
85. START SMALL STAY SMALL
86. The future