// start docker server. docker build -t grpcserver . -f DockerfileServer docker run -p 50051:50051 grpcserver
docker build -t grpcclient . -f DockerfileClient
// run client connection to server without docker. ./bin/calculator/client
docker-compose up --exit-code-from grpcclient
docker build -t jugon666/grpcserver:latest . -f DockerfileServer docker push jugon666/grpcserver:latest
docker build -t jugon666/grpcclient:latest . -f DockerfileClient docker push jugon666/grpcclient:latest
// first server must be running. apply -f serverDeploy.yaml
// apply clientDeploy after server is in running state. apply -f clientDeploy.yaml
// check result of grpc roundTrip client-server-client. kubectl logs grpcclient-5466f78b44-q96sr