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Docker — get container ID from within Docker container
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| bash-4.3# cat /proc/1/cpuset | |
| /docker/13f8c221656e202db979d1e607c9c902282d8719ab70715978dd04ee6069d61e | |
| bash-4.3# DOCKER_CID=$(cat /proc/1/cpuset | cut -c9-) | |
| bash-4.3# echo $DOCKER_CID | |
| 13f8c221656e202db979d1e607c9c902282d8719ab70715978dd04ee6069d61e |
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