User Rights issues in docker

when deploying lnmp applications in docker, are the users and groups the same in different containers?
for example, if I have configured www:www users in the host, can nginx.conf and php-fpm also set www:www users?

Apr.28,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b38446-344ad.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b38446-344ad.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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