runtime-builder: add build steps files for deployment. (#74)
runtime-builder: add build steps files for deployment. (#74)

* Add build steps files for deployment.

* Manually set the build tag

* remove go.version and use a concrete project id for the build steps.

cybrcodr/golang-docker,shantuo/golang-docker,shantuo/golang-docker,GoogleCloudPlatform/golang-docker,cybrcodr/golang-docker,GoogleCloudPlatform/golang-docker