我正在尝试基于新发布的Rocky Linux构建自定义MariaDB docker 映像以进行测试。然而，由于没有systemd，运行服务、准备初始数据库模式（如设置 root 密码、导入数据等）似乎很复杂。即使通过 python 启用systemctl（解决方法），构建过程也会在遇到systemctl start mariadb时停止。
Dockerfile：
FROM rockylinux/rockylinux
# INT
RUN yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm -y
RUN yum install supervisor -y
ADD ./assets/SYS/supervisor.conf /etc/supervisor.conf
# SYS
RUN yum install python2 -y
RUN ln -s /usr/bin/python2 /usr/bin/python
RUN unlink /usr/bin/systemctl
ADD ./assets/SYS/systemctl /usr/bin/systemctl
RUN chmod +x /usr/bin/systemctl
# DBS
RUN yum install mariadb-server -y
# Method 1
RUN systemctl start mariadb
# [ freezes the build process ]
# Method 2
RUN exec /usr/bin/mysqld_safe
# [ runs the service but there is a mysql.sock error ]
# Method 3
RUN exec /usr/libexec/mysqld --defaults-file=/etc/my.cnf --user=root
# [ does not run the service ]
RUN mysql_upgrade -u root --force
RUN mysql -u root -e 'DELETE FROM mysql.user WHERE User="";'
RUN mysql -u root -e 'DELETE FROM mysql.user WHERE User="root" AND Host NOT IN ("localhost", "127.0.0.1", "::1");'
RUN mysql -u root -e 'GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "";'
RUN mysql -u root -e 'DROP DATABASE IF EXISTS test;'
RUN mysql -u root -e 'DELETE FROM mysql.db WHERE Db="test" OR Db="test\\_%";'
RUN mysql -u root -e 'FLUSH PRIVILEGES;'
RUN mysql -u root -e 'CREATE DATABASE somedatabase;'
ADD ./assets/DBS/database.sql database.sql
RUN mysql -u root somedatabase < database.sql
RUN unlink database.sql
RUN mysqladmin password "somepassword"
RUN systemctl stop mariadb
EXPOSE 3306
CMD ["supervisord", "-c", "/etc/supervisor.conf"]
主管.conf
[program:mariadb]
command=/usr/bin/mysqld_safe --basedir=/usr
process_name=%(program_name)s_%(process_num)02d
numprocs=1
autostart=true
autorestart=false
startsecs=0
redirect_stderr=true
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0