Generate gRPC code by docker and Copy generated files to local.

gen_grpc_cpp.sh

#! /bin/bash

IMAGE_NAME=gen-grpc-cpp
CONTAINER_NAME=codegen-cpp
SRC_DIR=/workspace/codegen/rpc
DEST_DIR=./codegen

# change working directory to project root
cd $(dirname $0)/../

# build docker image
docker build -t ${IMAGE_NAME} -f tools/Dockerfile .

# generate cpp code in docker
docker run -it --name ${CONTAINER_NAME} ${IMAGE_NAME}

# copy cpp code to local directory
container_id=$(docker ps --last 1 --format "{{.ID}}")
docker cp ${container_id}:${SRC_DIR} ${DEST_DIR}

# cleanup docker container
docker rm ${CONTAINER_NAME}