grep dokuwiki /etc/selinux/targeted/contexts/files/file_contexts
/var/lib/dokuwiki(/.*)?	system_u:object_r:httpd_sys_rw_content_t:s0

semanage fcontext -a -t httpd_sys_rw_content_t '/path/to/dokuwiki(/.*)?'

restorecon -Rv /path/to/dokuwiki

semanage boolean -l

OR

getsebool -a