circle.yml

machine:
  environment:
    CLOUD_PROJECT_NAME: really-cool-project
    PROJECT_NAME: really-cool-project/master
    CLUSTER_NAME: really-cool-cluster
    CLOUDSDK_COMPUTE_ZONE: europe-west1-b
    CONTAINER_NAME: really-cool-container
    CONTAINER_REGISTRY: eu.gcr.io
    DEBIAN_FRONTEND: noninteractive
  services:
    - docker

dependencies:
  pre:
    - sudo /opt/google-cloud-sdk/bin/gcloud --quiet components update
    - sudo /opt/google-cloud-sdk/bin/gcloud --quiet components update kubectl
    - echo $GCLOUD_SERVICE_KEY | base64 --decode -i > ${HOME}/account-auth.json
    - sudo /opt/google-cloud-sdk/bin/gcloud auth activate-service-account --key-file ${HOME}/account-auth.json
    - sudo /opt/google-cloud-sdk/bin/gcloud config set project $CLOUD_PROJECT_NAME
    - sudo /opt/google-cloud-sdk/bin/gcloud --quiet config set container/cluster $CLUSTER_NAME
    # Reading the zone from the env var is not working so we set it here
    - sudo /opt/google-cloud-sdk/bin/gcloud config set compute/zone ${CLOUDSDK_COMPUTE_ZONE}
    - sudo /opt/google-cloud-sdk/bin/gcloud --quiet container clusters get-credentials $CLUSTER_NAME
    - docker build -t ${CONTAINER_REGISTRY}/${PROJECT_NAME}:$CIRCLE_SHA1 .
    - docker tag ${CONTAINER_REGISTRY}/${PROJECT_NAME}:$CIRCLE_SHA1 ${CONTAINER_REGISTRY}/${PROJECT_NAME}:latest

test:
  override:
    - docker run --name ${CONTAINER_NAME} -d -p 8080:8080 ${CONTAINER_REGISTRY}/${PROJECT_NAME}:$CIRCLE_SHA1;
    # This would be done by docker exec, however CircleCI has issues, hence the below workaround.
    - sudo lxc-attach -n "$(docker inspect --format "{{.Id}}" '"${CONTAINER_NAME}"')" -- bash -c "cd /usr/src/app && npm run test"

deployment:
  prod:
    branch: master
    commands:
      - ./deploy.sh