Hands-On DevOps with Vagrant

post_install_provisioner

Using the post_install_provisioner option offers you an easy way to run a provisioner once the original provisioner has run. This sounds a little confusing, but it essentially allows you to create a new provision block within the Docker one. You could use Docker as your main provisioner and then, inside, use a shell provisioner which runs when the Docker one has finished.

An example Vagrantfile would look like this:

Vagrant.configure("2") do |config|    config.vm.box = "ubuntu/xenial64"    config.vm.network "forwarded_port", guest: 80, host: 8081    config.vm.provision "docker" do |dock|        dock.post_install_provision "shell", inline:"touch /vagrant/index.html && echo '<h1>Hello World!</h1>' > /vagrant/index.html" dock.run ...