docker-compose.volume-override.yml

# There are many things you can do with a docker-compose file. Here we
# are using docker volumes to persist data rather than mounting files from
# your host machine into the container
#
# Note that the name of the service (`core`) must match that found in `docker-compose.yml`.
services:
  core:
    volumes:
      - unchained:/unchained
      - cache:/cache
volumes:
  unchained:
  cache: