buildspec.yml

version: 0.2

phases:
  install:
    commands:
      - apt-get update
      - apt install jq
  pre_build:
    commands:
      - echo Logging in to Amazon ECR...
      - aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin $ECR_REPO_URL
      - IMAGE_TAG=$(echo $CODEBUILD_RESOLVED_SOURCE_VERSION | cut -c 1-7)
  build:
    commands:
      - echo Building Flask app
      - docker build -t $ECR_REPO_URL:$IMAGE_TAG -t $ECR_REPO_URL:latest .
  post_build:
    commands:
      - echo Pushing the Docker images to ECR
      - docker push $ECR_REPO_URL:latest
      - docker push $ECR_REPO_URL:$IMAGE_TAG
      - aws ecs describe-task-definition --task-definition $TASK_DEFINITION | jq '.taskDefinition' > taskdef.json
      - envsubst < appspec.yaml > appspec.yml
      - printf '{"ImageURI":"%s"}' ${ECR_REPO_URL}:${IMAGE_TAG} > imageDetail.json
artifacts:
  files:
    - appspec.yml
    - taskdef.json
    - image*.json