strapi/docs/3.0.0-beta.x/plugin-development/plugin-architecture.md

# Plugin Folders and Files Architecture

The logic of a plugin is located at its root directory `./plugins/**`. The admin panel related parts of each plugin are contained in the `/admin` folder.
The folders and files structure are the following:

```
plugin/
└─── admin/ # Contains the plugin's front-end
|     └─── src/ # Source code directory
|          └─── index.js # Entry point of the plugin
|          └─── pluginId.js # Name of the plugin
|          └─── lifecycles.js # File in which the plugin sets the hooks to be ran in another plugin.
|          |
|          └─── components/ # Contains the list of React components used by the plugin
|          └─── containers/
|          |    └─── App/ # Container used by every others containers
|          |    └─── Initializer/ # This container is required, it is used to executed logic right after the plugin is mounted.
|          └─── translations/ # Contains the translations to make the plugin internationalized
|               └─── en.json
|               └─── index.js # File that exports all the plugin's translations.
|               └─── fr.json
└─── config/ # Contains the configurations of the plugin
|     └─── functions/
|     |    └─── bootstrap.js # Asynchronous bootstrap function that runs before the app gets started
|     └─── policies/ # Folder containing the plugin's policies
|     └─── queries/ # Folder containing the plugin's models queries
|     └─── routes.json # Contains the plugin's API routes
└─── controllers/ # Contains the plugin's API controllers
└─── middlewares/ # Contains the plugin's middlewares
└─── models/ # Contains the plugin's API models
└─── services/ # Contains the plugin's API services
```