Credits: https://github.com/grpc-ecosystem/grpc-cloud-run-example/blob/master/python

1. Replace the environment variables in deploy_client.sh and deploy_server.sh with values from your project
2. Deploy the server code to GCR first and get the URL

sh deploy_server.sh

3. Replace the URL for server_address in client.py. **Remove https:// from the URL and specify the port :443
4. Deploy the client

sh deploy_client.sh