A quick gist for building gRPC client-server using Go

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

# All Vagrant configuration is done below. The "2" in Vagrant.configure
# configures the configuration version (we support older styles for
# backwards compatibility). Please don't change it unless you know what
# you're doing.

BOX_IMAGE = "gbailey/amzn2"

Vagrant.configure("2") do |config|
  config.vm.define "grpc-server" do |subconfig|
    subconfig.vm.box = BOX_IMAGE
    subconfig.vm.hostname = "grpc-server"
    subconfig.vm.network "private_network", ip: "10.0.0.2"

    subconfig.vm.provider 'virtualbox' do |vb|
      vb.customize ["modifyvm", :id, "--name", "amazonlinux2-grpc-server"]
      vb.customize ["modifyvm", :id, "--memory", "2048"]
      vb.customize ["guestproperty", "set", :id, "/VirtualBox/GuestAdd/VBoxService/--timesync-set-threshold", 1000]
    end

    # Make vagrant ssh use our defined key-pair instead of random key during 'vagrant up'
    subconfig.ssh.insert_key = false
    subconfig.ssh.private_key_path = ["~/.ssh/vagrant", "~/.vagrant.d/insecure_private_key"]
    subconfig.vm.provision "file", source: "~/.ssh/vagrant.pub", destination: "~/.ssh/authorized_keys"

    subconfig.vm.provision "shell",
      inline: "sudo rm /etc/localtime && sudo ln -s /usr/share/zoneinfo/Asia/Tokyo /etc/localtime",
      run: "always"
      
    #Synced folders
    # Fill <HOST_MACHINE_PATH> according to your need
    #config.vm.synced_folder "<HOST_MACHINE_PATH>", "<GUEST_MACHINE_PATH>", type:"virtualbox", :mount_options => ['dmode=774','fmode=775']

    # Install required applications
    subconfig.vm.provision "shell",
      inline: @scriptApp

  end
  
  config.vm.define "grpc-client" do |subconfig|
    subconfig.vm.box = BOX_IMAGE
    subconfig.vm.hostname = "grpc-client"
    subconfig.vm.network "private_network", ip: "10.0.0.3"

    subconfig.vm.provider 'virtualbox' do |vb|
      vb.customize ["modifyvm", :id, "--name", "amazonlinux2-grpc-client"]
      vb.customize ["modifyvm", :id, "--memory", "1024"]
      vb.customize ["guestproperty", "set", :id, "/VirtualBox/GuestAdd/VBoxService/--timesync-set-threshold", 1000]
    end
  end
end

@scriptApp = <<SCRIPT
  # Update yum and install git
  sudo yum update -y
  sudo yum install git -y
  git version
  
  # Install Go
  sudo wget -c https://golang.org/dl/go1.15.2.linux-amd64.tar.gz
  sudo tar -C /usr/local -xvzf go1.15.2.linux-amd64.tar.gz
  sudo echo 'export PATH=$PATH:/usr/local/go/bin' >> /home/vagrant/.bashrc
  sudo echo 'export GOPATH=$HOME/go' >> /home/vagrant/.bashrc
  sudo echo 'export GOBIN=$GOPATH/bin' >> /home/vagrant/.bashrc
  tail -5 ~/.bashrc
  source ~/.bashrc
  
  # Install Go plugins for the protocol compiler
  sudo echo 'export GO111MODULE=on' >> /home/vagrant/.bashrc # Enable module mode
  go get google.golang.org/protobuf/cmd/protoc-gen-go google.golang.org/grpc/cmd/protoc-gen-go-grpc
  sudo echo 'export PATH=$PATH:$(go env GOPATH)/bin' >> /home/vagrant/.bashrc
  tail -5 ~/.bashrc
  source ~/.bashrc
  
  # Install gRPC
  # There's no need to install grpc separately as Go can use module to import grpc
  # From https://github.com/grpc/grpc-go

  # Install protobuf compiler
  sudo yum install -y protobuf-compiler

SCRIPT