.NET Core continous integration with Docker, Kubernetes, Gitlab and Google Cloud

.gitlab-ci.yml

# http://docs.gitlab.com/ce/ci/docker/using_docker_build.html#using-the-gitlab-container-registry
# The docker tag is the first 6 letters of the Git commit id

job_build_dotnet:
       stage: build
       image: microsoft/dotnet:latest
       script:
         - dotnet restore
         - dotnet publish src/MyProject.Web -c Release
       artifacts:
         expire_in: 12 hrs
         paths:
          - src/MyProject.Web/bin/Release/netcoreapp1.1/publish/
        
job_build_docker:
       stage: deploy
       image: docker:latest
       services:
        - docker:dind
       script:
        - export DOCKER_VERSION=$(echo "$CI_BUILD_REF" | cut -c 1-6)
        - echo "$GOOGLE_AUTH_JSON" > google-cloud.json
        - cd src/MyProject.Web && docker build -t gcr.io/my-kube-project/MyProject-web:$DOCKER_VERSION .
        - cd ../../ && docker login -e [email protected] -u _json_key -p "$(cat google-cloud.json)" https://gcr.io
        - docker push gcr.io/my-kube-project/MyProject-web:$DOCKER_VERSION
       dependencies:
        - job_build_dotnet