build.sh

#!/bin/bash

set -e

PROJECT_ID=[GCLOUD_PROJECT_ID]

gcloud auth print-access-token | docker login -u oauth2accesstoken --password-stdin https://gcr.io
docker build ${DOCKER_BUILD_ARGS} -t ${IMAGE} .

set -x

docker tag ${IMAGE} gcr.io/${PROJECT_ID}/${IMAGE}:${CIRCLE_SHA1}
docker push gcr.io/${PROJECT_ID}/${IMAGE}:${CIRCLE_SHA1}
if [ "$CIRCLE_BRANCH" = "master" ]
then
    docker tag ${IMAGE} gcr.io/${PROJECT_ID}/${IMAGE}:latest
    docker push gcr.io/${PROJECT_ID}/${IMAGE}:latest
fi