circle.yml

# CircleCI Environment Variables:
#   - AWS_ACCOUNT_ID
#   - AWS_ACCESS_KEY_ID
#   - AWS_SECRET_ACCESS_KEY
#   - AWS_REGION
#   - AWS_S3_BUCKET
#   - AWS_CODEDEPLOY_APPLICATION_NAME
#   - AWS_CODEDEPLOY_DEPLOYMENT_GROUP
#   - AWS_ECS_CLUSTER
#   - AWS_ECS_TASK
#   - AWS_ECS_SERVICE

general:
  artifacts:
    - docker

machine:
  environment:
    AWS_S3_KEY: demo/$( echo ${CIRCLE_SHA1} | cut -c 1-7 )-${CIRCLE_BUILD_NUM}.tar.gz
  services:
    - docker

dependencies:
  pre:
    - docker version
    - docker info
    - aws --version
  override:
    - docker build -f app-api/Dockerfile -t api .
    - docker build -f app-web/Dockerfile -t web .

test:
  override:
    - docker run -d -p 8001:80 api
    - docker run -d -p 8002:80 web; sleep 10
    - curl --retry 10 --retry-delay 5 -v http://localhost:8001
    - curl --retry 10 --retry-delay 5 -v http://localhost:8002

deployment:
  staging_api:
    tag: /api-.*/
    commands:
      # Build docker images
      - aws --region ${AWS_REGION} ecr get-login | sh
      - docker tag api ${AWS_ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/demo/api:latest
      - docker push ${AWS_ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/demo/api:latest
      #
      # Send contents to S3
      - aws --region ${AWS_REGION} deploy push --application-name ${AWS_CODEDEPLOY_APPLICATION_NAME} --s3-location s3://${AWS_S3_BUCKET}/${AWS_S3_KEY} --source ./app-api
      #
      # Deploy with CodeDeploy
      - aws --region ${AWS_REGION} s3api wait object-exists --bucket ${AWS_S3_BUCKET} --key ${AWS_S3_KEY}
      - aws --region ${AWS_REGION} deploy create-deployment --application-name ${AWS_CODEDEPLOY_APPLICATION_NAME} --deployment-group-name ${AWS_CODEDEPLOY_DEPLOYMENT_GROUP} --deployment-config-name CodeDeployDefault.AllAtOnce --s3-location bucket=${AWS_S3_BUCKET},key=${AWS_S3_KEY},eTag=$( aws s3api head-object --bucket ${AWS_S3_BUCKET} --key ${AWS_S3_KEY} --query 'ETag' --output text | sed 's/^"\(.*\)"$/\1/' ),bundleType=zip --ignore-application-stop-failures

  staging_web:
    tag: /web-.*/
    commands:
      # Build docker images
      - aws --region ${AWS_REGION} ecr get-login | sh
      - docker tag web ${AWS_ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/demo/web:${CIRCLE_TAG}
      - docker push ${AWS_ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/demo/web:${CIRCLE_TAG}
      #
      # Update an ECS TaskDefinition
      - sed -i -e 's/AWS_ACCOUNT_ID/'${AWS_ACCOUNT_ID}'/g' app-web/TaskDefinition.json
      - sed -i -e 's/AWS_REGION/'${AWS_REGION}'/g' app-web/TaskDefinition.json
      - sed -i -e 's/IMAGE_TAG/'${CIRCLE_TAG}'/g' app-web/TaskDefinition.json
      - aws --region ${AWS_REGION} ecs register-task-definition --family ${AWS_ECS_TASK} --cli-input-json file://app-web/TaskDefinition.json
      #
      # Deploy with ECS
      - aws --region ${AWS_REGION} ecs update-service --cluster ${AWS_ECS_CLUSTER} --service ${AWS_ECS_SERVICE} --desired-count 2 --task-definition $(aws --region ${AWS_REGION} ecs list-task-definitions --query 'sort(taskDefinitionArns)[-1]' --output text)