Use a single VM with Vagrant to host Docker Containers across multiple projects -

i have 2 separate projects/src/code repos, using vagrant run application in docker containers.

i using vagrant centos7 host vm host docker containers (https://www.vagrantup.com/docs/docker/basics.html). using duplicate copy of centos7 vm vagrantfile (vagranfile.host) in each project.

- proj1/ -- vagrantfile -- vagrantfile.host - proj2/ -- vagrantfile -- vagrantfile.host

each vagrantfile points vagrantfile.host spin centos vm host docker containers.

the difference (effectively question) between 2 projects vagrantfile in proj1 points different docker image 1 in proj2.

when vagrant up in each project folder, each 1 create's it's own centos7 vm instantiation, end running 2 separate virtualbox vms.

is there way change 1 or both of vagrantfile files end spinning single vm, , containers both run in same virtualbox vm?

got work. not quite way wanted, documenting finds question later. point both docker vagrantfile's same vagrantfile.host linux parent.

   - proj1/    -- vagrantfile --> ./vagrantfile.host    -- vagrantfile.host    - proj2/    -- vagrantfile --> ../proj1/vagrantfile.host

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