Periodically checks free space on path and deletes files to free up disk.

Checks free space left where the path bind-mounted to /data volume and deletes

docker run \
    -d \
    -v /messy/path:/data \
    -e DELETE_COUNT=5 \
    -e DELAY_TIME=60 \
    -e MIN_FREE_SPACE=100000 \
    mc2labs/disk-cleaner

The container created with this command checks free disk space every 60 seconds on path /messy/disk and deletes oldest 5 files if free space on disk is less then 100MB (100000KB)