Docker internals cheatsheet

gistfile1.txt

# Check logs size of containers, sorted by size and show total usage
sudo du -ch $(docker inspect --format='{{.LogPath}}' $(docker ps -qa)) | sort -h | sed 's/\/var\/lib\/docker\/containers\///' | awk '{if ($1 != "total") {split($NF, arr, "/"); id = arr[1]; print $1 " " $2 " " id} else {print $1 " " $2 " " $1}}' | while read size unit id; do if [ "$size" != "total" ]; then name=$(docker ps --format "{{.Names}}" --filter id=$id); echo "$size $unit $name"; else echo "$size $unit $id"; fi; done


# Check all volumes and images sizes
docker system df -v