buildspec.yml

version: 0.2

# env:
#   parameter-store:
#     REACT_APP_HELLO_REACT: "/$ENV/REACT_APP_HELLO_REACT"

phases:
  install:
    commands:
      - apt-get update
      - apt install jq yarn
      - node -v
      - yarn version
  pre_build:
    commands:
      - echo Logging in to Amazon ECR...
      - FOLDER_NAME=$(echo $(date '+%Y%m%d%H%M%S'))
      - NEW_ORIGIN_PATH="/$FOLDER_NAME"
      - KEEP_RELEASES=3
      - DIST_CONFIG_OLD_FILENAME="dist-config_old.json"
      - DIST_CONFIG_NEW_FILENAME="dist-config_new.json"

  build:
    commands:
      - echo Build started on `date`
      - echo Building JS .....
      - envsubst < ./codebuild-template/environment-template.yaml > .env
      - yarn install
      - yarn build
      - echo Copying /build to S3 ....
      - aws s3 cp --recursive ./build s3://$S3_DEPLOY_BUCKET/$FOLDER_NAME

  post_build:
    commands:
      - echo Deploy frontend to S3 on `date`
      - echo get $CLOUDFRONT_FRONTEND_DISTRIBUTION_ID current config
      - aws cloudfront get-distribution --id $CLOUDFRONT_FRONTEND_DISTRIBUTION_ID > $DIST_CONFIG_OLD_FILENAME
      - Etag=`cat $DIST_CONFIG_OLD_FILENAME | jq '.ETag' | tr -d \"`
      - echo modify $CLOUDFRONT_FRONTEND_DISTRIBUTION_ID config with new value
      - |
        cat $DIST_CONFIG_OLD_FILENAME | jq \
        --arg targetOriginId $CLOUDFRONT_FRONTEND_ORIGIN_ID \
        --arg newOriginPath $NEW_ORIGIN_PATH \
        '.Distribution.DistributionConfig | .Origins.Items = (.Origins.Items | map(if (.Id == $targetOriginId) then (.OriginPath = $newOriginPath) else . end))' \
        > $DIST_CONFIG_NEW_FILENAME
      - echo Update Cloudfront with new config
      - |
        aws cloudfront update-distribution --id $CLOUDFRONT_FRONTEND_DISTRIBUTION_ID \
        --distribution-config "file://${DIST_CONFIG_NEW_FILENAME}" \
        --if-match $Etag \
        > /dev/null
      - echo Invalidate the distribution to pick up the changes
      - aws cloudfront create-invalidation --distribution-id $CLOUDFRONT_FRONTEND_DISTRIBUTION_ID --paths "/*"
      - echo Remove old releases folder
      - chmod +x ./codebuild-template/remove-old-releases.sh
      - ./codebuild-template/remove-old-releases.sh
artifacts:
  files:
    - '**/*'