Increase caching and reduce layers in Dockerfile (#90)
Increase caching and reduce layers in Dockerfile (#90)

* Increase caching and reduce layers in Dockerfile

* Do not download and copy pack

GoogleCloudPlatform/cloud-run-button,GoogleCloudPlatform/cloud-run-button,GoogleCloudPlatform/cloud-run-button,GoogleCloudPlatform/cloud-run-button