Continuous Delivery no mundo Real - Cadu Ribeiro

Transcript

1. Continuous Delivery On the real world
2. @ GirlCrew Carlos "Kadu" Ribeiro Who am I?
3. OpenSanca
4. https:/ /www.meetup.com/pt-BR/opensanca
8. Waterfall Model
11. Scrum Water Fall
17. What is Continuous Delivery?
18. “Continuous Delivery is the ability to get changes of all types (new features, configurations, bug fixes and experiments) into production, or into the hands of users, safely and quickly in a sustainable way”
 
 Jezz Humble
19. Why Continuous Delivery?
20. Software release should be a fast, repeatable process.
25. How? From 0 to Continuous Delivery
26. Code Repository
27. Merge Feature 2 Merge Feature 1 Feature 2
 Commit Initial Commit Master Feature 1
 Commit 1
28. Code Review
35. “Continuous Integration (CI) is a development practice that requires developers to integrate code into a shared repository several times a day” https:/ /www.thoughtworks.com/pt/continuous-integration
37. Automated Tests
38. rspec
39. Infrastructure as 
 Code
41. Review Apps
42. Merge Feature 2 Feature 2
 Commit
43. Deployment
 Pipeline
44. Deliver to
 Production Code Deliver to
 Staging Acceptance
 Tests Unit
 Tests
45. Zero Downtime
47. Blue Green
 Deployment
50. Canary Release
51. V1 V2 All Users 5 % of Users 95 % of Users 90 % of Users 10 % of Users All
 Users
52. And the database??
53. V1 V2 Database V1 V2
54. Old App SHOULD work with the New State
55. Non Destructive Changes Create Table Add Column Create Index (sometimes…)
56. Always Work with thinking about both versions
57. Example: Drop a Column Drop column Stop writing
 to column
58. Drop old
 column Example: Renaming a Column Read from
 new column Migrate old
 records Write to
 both columns Create
 Column with
 New Name
59. Feature Flag 
 (Feature Toggle)
62. Monitoring
67. Continuous Delivery
 @ Toptal
76. Summary - Code Repository - Code Review - Integrate code into a shared 
 repository several times a day - Automated Tests - Infrastructure as Code - Automated deploy - Zero Downtime - Monitoring - Feature Flag Automate EVERYTHING!