AWS — CodeDeploy

What is CodeDeploy?

Automate code deployments to any instance.

Create application

aws deploy create-application \
  --application-name my-app \
  --compute-platform Server

Deployment group

aws deploy create-deployment-group \
  --application-name my-app \
  --deployment-group-name my-group \
  --service-role-arn arn:aws:iam::123456789:role/codedeploy-role \
  --auto-rollback-configuration enabled=true,events=DEPLOYMENT_FAILURE

Deploy

aws deploy create-deployment \
  --application-name my-app \
  --deployment-group-name my-group \
  --revision 'revisionType=S3,application=bucket=my-bucket,version=my-version'

appspec.yml

version: 0.0
os: linux
files:
  - source: /
    destination: /var/www/app
hooks:
  BeforeInstall:
    - location: scripts/before_install.sh
      timeout: 300
  AfterInstall:
    - location: scripts/after_install.sh
      timeout: 300
  ApplicationStart:
    - location: scripts/start_server.sh
      timeout: 300

Deployment types

Type	Description
In-place	Update existing instances
Blue/Green	Swap traffic to new instances

Best practices

1. Use blue/green deployments
2. Set up rollback triggers
3. Use deployment groups
4. Monitor with CloudWatch

Mini Practice

1. Create an application
2. Set up deployment group
3. Deploy code
4. Test rollback

Up Next

Continue with CodeCommit - Source Control.