`buildspec.yml` for ECS Blue/Green

blue-green-buildspec.yml

version: 0.2

phases:
  pre_build:
    commands:
      - echo "Logging into AWS ECR"
      - aws ecr get-login-password --region ap-northeast-2 | docker login --username AWS --password-stdin 730335333809.dkr.ecr.ap-northeast-2.amazonaws.com
  build:
    commands:
      - echo "building docker image"
      - docker build -t inflearn_docker .
      - docker tag inflearn_docker:latest 730335333809.dkr.ecr.ap-northeast-2.amazonaws.com/inflearn_docker:latest
  post_build:
    commands:
      - echo "pushing docker image to AWS ECR"
      - docker push 730335333809.dkr.ecr.ap-northeast-2.amazonaws.com/inflearn_docker:latest
      - echo "writing image definitions"
      - printf '[{"name":"inflearn_docker","imageUri":"730335333809.dkr.ecr.ap-northeast-2.amazonaws.com/inflearn_docker:latest"}]' > imagedefinitions.json
artifacts:
  files:
    - imagedefinitions.json
    - taskdef.json
    - appspec.yaml