docker-compose/script/wrapdocker

#!/bin/bash

if [ "$DOCKER_VERSION" != "" ] && [ "$DOCKER_VERSION" != "default" ]; then
    ln -fs "/usr/local/bin/docker-$DOCKER_VERSION" "/usr/local/bin/docker"
fi

# If a pidfile is still around (for example after a container restart),
# delete it so that docker can start.
rm -rf /var/run/docker.pid
docker -d $DOCKER_DAEMON_ARGS &>/var/log/docker.log &

>&2 echo "Waiting for Docker to start..."
while ! docker ps &>/dev/null; do
    sleep 1
done

>&2 echo ">" "$@"
exec "$@"