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Add extensions concept doc

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Alexandre Bodin 2019-05-16 10:45:49 +02:00 committed by Jim LAURIE
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docs/3.0.0-beta.x/concepts/concepts.md
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@ -58,11 +58,12 @@ By default, your project's structure will look like this:
- [`middleware.json`](../configurations/configurations.html#middleware): contains the middleware settings of the project.
- [`/hooks`](../advanced/hooks.html): contains the custom hooks of the project.
- [`/middlewares`](../advanced/middlewares.html): contains the custom middlewares of the project.
- [`/admin`](../advanced/customize-admin.md): contains your local plugins.
- [`/extensions`](#extensions): contains the files to extend installed plugins.
- [`/plugins`](#plugin): contains your local plugins.
- [`/public`](#public-assets): contains the file accessible to the outside world.
- [`/build`](../guides/deployment.md): contains your admin panel UI build.
- `/.cache`: contains copied files used to build your admin panel. (this folder should be ignored by versionning tools)
- `/build`: contains your admin panel UI build.
- `/.cache`: contains files used to build your admin panel.
::: note
Inside the `/config` folder, every folder will be parsed and injected into the global object `strapi.config`. Let's say, you added a folder named `credentials` with two files `stripe.json` and `paypal.json` into it. The content of these files will be accessible through `strapi.config.credentials.stripe` and `strapi.config.credentials.paypal`.
@ -228,6 +229,26 @@ Please refer to the [plugins documentation](../plugin-development/quick-start.md
---
## Extensions
In strapi you can install plugins in your `node_modules`. This allows for easy updates and respect best practices. To customize those installed plugins you can work in the `/extensions` directory. It contains all the plugins' customizable files.
Certain plugins will create files in these folders so you can then modify them. You can also create certain files manually to add some custom configuration for example.
Depending on the plugins you will find extension documentation directly in the plugin's documentation.
Extensions folder structure:
- `extensions/`
- `**`: Plugin Id
- `config`: You can extend a plugin's configuration by add a settings.json file with your custom configuration
- `models`: Contains the plugin's models that you have overwritten (e.g: When you add a realtion to the the User model)
- `controllers`: You can extend the plugin's controllers by create controllers with the same names and override certain methods
- `services`: You can extend the plugin's services by create services with the same names and override certain methods
---
## Policies
Policies are functions which have the ability to execute specific logic on each request before it reaches the controller's action. They are mostly used for securing business logic easily.