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title: Module Organization
--- name:overview

${project_slogan}

--- name:content pipeline:markdown

# Module Organization

Apollo is composed of many loosely coupled jar files.  This helps
maintain a clear separations of concerns between the modules and allows
end users to end up with smaller footprint configurations if they don't
need all the optional features of the project.

## Dependency Diagram

<img style="width: 70%; height: auto; display: block; margin-left: auto;  margin-right: auto" 
    src="../images/module-deps-graph.png" alt="dependencies graph">

## Updating

You can regenerate the above graph by running the following commands at the
project root:

    mvn -P graph graph:reactor -Dhide-scope=test -Dhide-transitive=true -Dhide-external=true -Dgraph.label= -Dhide-version=true -Dhide-group-id=true -Dhide-type=true
    cp target/reactor-graph.png apollo-website/src/images/module-deps-graph.png