- The document discusses AWS CodeStar and CodeDeploy for automating deployment of Rails applications to EC2 instances. It covers using CodeCommit for source control, CodeBuild for testing, CodeDeploy for deployments, and CodePipeline for continuous integration and delivery. - Key points include how CodeDeploy can be used with Auto Scaling groups to deploy code updates across multiple EC2 instances, the use of appspec.yml and hooks to run migrations, restart services, and set environment variables during deployments, and how CodeStar provides an integrated environment for developing, building, and deploying Rails and other applications on AWS.

1. CodeStar
Rails CodeDeploy
/ Keishi Hosoba
2017/05/23
TechTalk #5

2. • / Keishi HOSOBA
•
•
• iOS/Android
• @hosopy
• GitHub: https://github.com/hosopy
• Twitter: https://twitter.com/hosopy

3. • CodeDeploy CodeStar
CodeDeploy
• Rails CodeStar
• CodeStar

4. AWS × Deploy

5. Code4
• CodeCommit
• CodeBuild
• CodeDeploy
• CodePipeline

7. Capistrano & Jenkins
App Servers
Workers
deploy
(over ssh)
push & pull request
test success
pull
GitLab-CI

8. Code4
• CodeCommit → GitLab
• CodeBuild → GitLab-CI
• CodeDeploy → Capistrano
• CodePipeline → Jenkins

9. Capistrano
• Auto Scaling
•
• Bootstrap (User Data )
• Immutable Infrastructure
• Blue Green Deployment

10. CodeDeploy
• CodeDeploy Auto Scaling
• CodeDeploy Blue Green Deployment

11. 2017/04/20 CodeStar
https://www.slideshare.net/AmazonWebServices/srv414-new-launch-introducing-
aws-codestar-the-central-experience-to-quickly-start-developing-applications-on-aws

12. CodeStar
•
• (Rails, Laravel, express, Alexa Skills …)
• (CodeCommit)
• (EC2, ElasticBeanstalk, Lambda)
• CI (CodeBuild, CodeDeploy, CodePipeline)

13. Code4
•
• (Rails, Laravel, express, Alexa Skills …)
• (CodeCommit)
• (EC2, ElasticBeanstalk, Lambda)
• CI (CodeBuild, CodeDeploy, CodePipeline)

14. CodeStar
Rails CodeDeploy

15. • VPC
• : (us-east-1)
• Subnet (Public)
• Internet Gateway
• EC2 KeyPair
• CodeCommit (IAM)

16. 1. Start

17. 2.

18. 3.

19. 4. EC2 KeyPair

20. 5. Provisioning …

21. 6. Done!

22. : CodeCommit

23. : Rails 5.0.0
CodeDeploy

24. : EC2

25. : CodeDeploy

26. : CodePipeline

27. :

28. : (ClodFormation,IAM Role, S3…)

29. IAM Role Policy
Auto Scaling
…
Role
Policy

30. CodeDeploy

31. appspec.yml

32. CodeDeploy hook

33. AfterInstall hook
Ruby
gem

34. ApplicationStop hook

35. …

36. db:migrate
puma
assets:precompile
RAILS_ENV
Role

37. db:migrate
puma
assets:precompile
RAILS_ENV
Role

38. migration push & deploy

39. PendingMigrationError

40. AfterInstall hook migrate
db:migrate

41. OK

42. puma
assets:precompile
RAILS_ENV
Role

43. RAILS_ENV …
RAILS_ENV

44. • CodeDeploy
•
• (/etc/environment )
• EC2 Instance
•
• Auto Scaling AMI
• …
•

45. EC2 RailsEnv

46. AfterInstall hook RailsEnv
RailsEnv

47. puma
assets:precompile
Role

48. RAILS_ENV=production asset 404

49. AfterInstall hook
assets:precompile

50. nginx
puma
Role

53. CodeDeploy

54. CodeStar
CodeDeploy + Auto Scaling

55. CodeStar EC2 AMI
CodeStar
Instance
AMI

56. AMI RailsEnv
CodeStar
Instance
AMI

57. AMI Auto Scaling Group
CodeStar
Instance
AMI
Auto Scaling Group

58. Deployment Group ASG

59. ( )

60. 1: (CodeDeploy → Auto Scaling)
※ …

61. 2: ApplicationStop hook Deploy
kill
pid

62. Auto Scaling Group
Capistrano :
CodeStar
Instance
AMI

63. Auto Scaling Group
Capistrano :
CodeStar
Instance
AMI
Auto Scale

64. Auto Scaling Group
CodeDeploy
CodeStar
Instance
AMI
Auto Scale
with
CodeDeploy

65. Auto Scaling
Auto Scaling Group Auto Scaling Group

66. Auto Scaling Group Auto Scaling Group

67. • AWS CI CodeStar
• CodeDeploy AutoScaling
•
• > Code4
• CodeStar

68. https://www.wantedly.com/projects/99060