SpringBoot & AWS Blue Green Deploy Auto Scaling ELB Code Build & Code Deploy Blue & Green deploy Auto Scaling Instance 생성 기본세팅 Java8 설치 Code Deploy Agent 설치 Cloud Watch 세팅 준비된 인스턴스로 AMI 생성 Auto Scaling Group에서 Launch Configuration 생성 참고 blue-green-deployment-using-aws-cloudformation-and-lambda performing-bluegreen-deployments-with-aws-codedeploy-and-auto-scaling-groups