Vagrant with dot env without plugins

.env

EXAMPLE_ENV_A=Hello
EXAMPLE_ENV_B=world

bootstrap.sh

#!/bin/bash

cd /home/myapp

export $(echo $(cat .env | sed 's/^#.*//g' | sed 's/\r//g' | xargs) | envsubst)

echo "Loaded env configs:"
echo $EXAMPLE_ENV_A
echo $EXAMPLE_ENV_B

Vagrantfile

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/xenial64"
  
  config.vm.define "host" do |app|
    app.vm.network "private_network", type: "dhcp"
    app.vm.hostname = "host"
    app.vm.synced_folder ".", "/home/myapp", type: "virtualbox"
    app.vm.provider "virtualbox" do |v|
      v.memory = 2048
      v.cpus = 1
    end
  end

    config.vm.provision "shell" do |s|
      s.path = "bootstrap.sh"
    end

end