Read COMPOSE_FILE from env and use it if it is set. Default is still
docker/local/docker-compose.yaml.
BREAKING CHANGE: Removed docker subcommand. Added deprecation notice to
compose subcommand.
First release of `ahab` cli. All functionality from initial design is
now implemented which means we can move on to adding new stuff and
improving existing stuff.
Implemented basic wanted functionality for docker compose subcommands.
We currently assume that docker-compose.yaml file is located in
local/docker/ folder.
