Add instructions to deploy with custom built docker image. (#261)
Add instructions to deploy with custom built docker image. (#261)

Add instructions to deploy with custom built docker image.

GoogleCloudPlatform/openjdk-runtime,GoogleCloudPlatform/openjdk-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/openjdk-runtime