# Configuration sharing and composition
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MDAA supports:
+ Sharing configurations across multiple domains and environments
+ Composing configurations from multiple files
+ Overriding configurations at different levels (global, domain, environment, module)

## Configuration Merging Rules
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+ Lists on same config key will be merged across config files
+ Objects on same config key will be concatenated
+ Scalar values will be overridden, with later configs taking precedence