.
├── a.yml
└── b
    └── b.yml

version: "2.2"

services:
  a:
    build:
      context: ./

version: "2.2"

services:
  b:
    build:
      context: ./

services:
  a:
    build:
      context: /Volumes/Disk/Development/spaces/docker/docker-compose-relative-path
  b:
    build:
      context: /Volumes/Disk/Development/spaces/docker/docker-compose-relative-path
version: '2.2'