@dmitriy.kostiuk Please see if there is something we can document from Ege’s comment.

PXC

Default options are in https://github.com/percona/percona-docker/blob/main/percona-xtradb-cluster-8.0/dockerdir/etc/mysql/node.cnf but users can override them all through custom config.

HAProxy

Everything in https://github.com/percona/percona-docker/blob/main/haproxy/dockerdir/etc/haproxy/haproxy-global.cfg can be overridden by custom config but you can’t override any of https://github.com/percona/percona-docker/blob/main/haproxy/dockerdir/etc/haproxy/haproxy.cfg

ProxySQL

Everything in https://github.com/percona/percona-docker/blob/main/proxysql/dockerdir/etc/proxysql/proxysql.cnf can be overridden by custom config.

Does the same thing apply to other Operators - MongoDB and PG?