buildspec-blue-green.yml

version: 0.2

env:
  variables:
    IMAGE_REPO_NAME: reinvent-trivia-backend

phases:
  install:
    runtime-versions:
      nodejs: latest
    commands:
      # Install CDK & jq, upgrade npm
      - yum install -y jq
      - npm install -g aws-cdk

  pre_build:
    commands:
      # Set up environment variables like image tag and repo
      - cd $CODEBUILD_SRC_DIR/trivia-backend
      - export IMAGE_TAG=build-`echo $CODEBUILD_BUILD_ID | awk -F":" '{print $2}'`
      - AWS_ACCOUNT_ID=`echo $CODEBUILD_BUILD_ARN | awk -F":" '{print $5}'`
      - ECR_REPO=$AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$IMAGE_REPO_NAME
      - aws ecr get-login-password | docker login --username AWS --password-stdin $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com

      # Consume base image
      - export BASE_IMAGE=`jq -r '.ImageURI' <$CODEBUILD_SRC_DIR_BaseImage/imageDetail.json`
      - sed -i "s|reinvent-trivia-backend-base:release|$BASE_IMAGE|g" Dockerfile

  build:
    commands:
      # Build Docker image
      - docker build -t $IMAGE_REPO_NAME:$IMAGE_TAG .
      - docker tag $IMAGE_REPO_NAME:$IMAGE_TAG $ECR_REPO:$IMAGE_TAG
      - docker push $ECR_REPO:$IMAGE_TAG

      # Synthesize CloudFormation templates
      - cd $CODEBUILD_SRC_DIR/trivia-backend/infra/cdk
      - npm ci
      - npm run build
      - cdk --no-version-reporting synth -o build --app 'node ecs-service-blue-green.js'
      - cp StackConfig.json build/

artifacts:
  files:
    - trivia-backend/infra/cdk/build/*
  discard-paths: yes