version: 0.2

phases:
  pre_build:
    commands:
      - echo Assigning variables for repositories and regions
      - PRIMARY_CORE_REPO_URI=REPLACEME_PRIMARY_REPO_URI
      - PRIMARY_REGION=$AWS_DEFAULT_REGION
      # Here we'll assign a variable for the Secondary Region ECR repo.
      # - [DONE]: SECONDARY_CORE_REPO_URI=
      - SECONDARY_CORE_REPO_URI=REPLACEME_SECONDARY_REPO_URI
      # Do the same thing for the secondary region. We can't pull the default region from anywhere since the second region is compeltely separate.
      # - [DONE]: SECONDARY_REGION=
      - SECONDARY_REGION=REPLACEME_SECONDARY_REGION
  build:
    commands:
      - echo Build started on `date`
      - echo Building the core-service Docker image...
      - docker build -t core-service:$CODEBUILD_RESOLVED_SOURCE_VERSION . # Here, we are using the environment variable passed in via CodeBuild IMAGE_REPO_NAME
      - echo Tagging Image for primary region
      - docker tag core-service:$CODEBUILD_RESOLVED_SOURCE_VERSION $PRIMARY_CORE_REPO_URI:$CODEBUILD_RESOLVED_SOURCE_VERSION
      # In the previous 3 2 commands, we issued a build and then a tag. How would you tag this for a second region?
      # Take a look at these docs for a refresher on how pushing images to ECR works:
      # https://docs.aws.amazon.com/AmazonECR/latest/userguide/docker-push-ecr-image.html
      # - [DONE]: Implement tagging the same docker container to a different ECR repo
      - docker tag core-service:$CODEBUILD_RESOLVED_SOURCE_VERSION $SECONDARY_CORE_REPO_URI:$CODEBUILD_RESOLVED_SOURCE_VERSION
  post_build:
    commands:
      - echo Build completed on `date`
      - echo Pushing Images up to ECR for primary region - $PRIMARY_REGION
      - echo Logging into ECR
      - $(aws ecr get-login --no-include-email --region $PRIMARY_REGION)
      - echo Pushing the Docker image to ECR
      - docker push $PRIMARY_CORE_REPO_URI:$CODEBUILD_RESOLVED_SOURCE_VERSION
      - echo Printing the container name in taskdef and passing it a new Docker image.
      - printf '[{"name":"service","imageUri":"%s"}]' $PRIMARY_CORE_REPO_URI:$CODEBUILD_RESOLVED_SOURCE_VERSION > imagedefinitions_primary.json
      # For a rundown of what the above commands do, see: https://docs.aws.amazon.com/AmazonECR/latest/userguide/docker-push-ecr-image.html
      # To understand what imagedefinitions_primary.json is for, see: https://docs.aws.amazon.com/codepipeline/latest/userguide/file-reference.html
      # Now we have to do the same thing for our $SECONDARY_REGION

      - echo Pushing Images up to ECR for secondary region - $SECONDARY_REGION
      - echo Logging into ECR
      # - [DONE]: Log into ECR in the $SECONDARY_REGION
      - $(aws ecr get-login --no-include-email --region $SECONDARY_REGION)
      - echo Pushing the Docker image to ECR
      # - [DONE]: Push the image tagged for the Secondary Region repo
      - docker push $SECONDARY_CORE_REPO_URI:$CODEBUILD_RESOLVED_SOURCE_VERSION
      - echo Printing the container name in taskdef and passing it a new Docker image.
      # - [DONE]: output an imagedefinitions_secondary.json file for CodePipeline to consume
      - printf '[{"name":"service","imageUri":"%s"}]' $SECONDARY_CORE_REPO_URI:$CODEBUILD_RESOLVED_SOURCE_VERSION > imagedefinitions_secondary.json
artifacts:
    files:
      - imagedefinitions_primary.json
      # Imagedefinitions is the file where we put in a container and an ECR URI for CodePipeline to update an ECS Service.
      # - [DONE]: Add imagedefinitions_secondary.json to the build artifact for CodePipeline to consume
      - imagedefinitions_secondary.json