The image is based on php:7.4.30-fpm-bullseye with the addition of admin files

Using environment variables
TZ - time zone
MIKBILL_MYSQL_HOST - database host
MIKBILL_MYSQL_USERNAME - username to connect to the database
MIKBILL_MYSQL_PASSWORD - password for connecting to the database
MIKBILL_MYSQL_DATABASE - database name
MIKBILL_MYSQL_CHARSET - database encoding
MIKBILL_DEBUG - write debug information (true/false)
MIKBILL_ERROR_LOG - path to the error log file
MIKBILL_DEBUG_LOG - path to the debug log file

Used in: https://github.com/Nekkoy/docker_mikbill/tree/main/swarm/admin⁠
Build: https://github.com/Nekkoy/docker_mikbill_containers/tree/main/admin⁠