Update Vagrantfile

Author: wangkuiyi

Vagrantfile

@@ -5,11 +5,16 @@ Vagrant.configure("2") do |config|
   config.vm.box = "ubuntu/bionic64"
   config.vm.provision "shell", path: "provision.sh"
 
-  config.vm.network "forwarded_port", guest: 22, host: 2222
+  # Don't forward 22.  Even if we do so, the exposed port only binds
+  # to 127.0.0.1, but not 0.0.0.0.  Other ports binds to all IPs.
   config.vm.network "forwarded_port", guest: 3306, host: 3306
   config.vm.network "forwarded_port", guest: 50051, host: 50051
   config.vm.network "forwarded_port", guest: 8888, host: 8888
 
+  # public_network eases debugging -- I can SSH from iMac to the VM
+  # without the need of forwarding port to the host workstation.
+  config.vm.network "public_network", ip: "192.168.0.17"
+
   config.vm.provider "virtualbox" do |v|
     v.memory = 16384
     v.cpus = 8