Split the components into individual package, refactor configurations to use Spring properties (#7160)

* Split the components into individual package

A follow-up PR will be made to build dedicated Docker images for each
component, so that every component Docker image has minimal jars, which
is easy to maintain and good for security fixes.

* Split the components into individual package

A follow-up PR will be made to build dedicated Docker images for each
component, so that every component Docker image has minimal jars, which
is easy to maintain and good for security fixes.

* Split the components into individual package

A follow-up PR will be made to build dedicated Docker images for each
component, so that every component Docker image has minimal jars, which
is easy to maintain and good for security fixes.