Cron doesn't load environment variables. about openstreetmap-tile-server HOT 1 OPEN

# import
docker  run  --rm  -e UPDATES=enabled  -e THREADS=2  -v osm-data:/data/database/  overv/openstreetmap-tile-server  import

# run in background
docker  run  -d  --name osm  --rm  -e UPDATES=enabled  -e THREADS=2  -v osm-data:/data/database/  overv/openstreetmap-tile-server  run

# change the update script to write the THREADS env to a debug file instead
docker  exec  osm  bash  -c "echo 'echo \${THREADS:-default} >/tmp/debugenv' >/usr/bin/openstreetmap-tiles-update-expire.sh"

# wait a minute for crontab to execute the script

# output the contents of the debug file
docker  exec  osm  bash  -c "cat /tmp/debugenv"

docker  exec  osm  bash  -c "printenv >/etc/environment"