doc/packaging_apps_manifest.md
2016-01-26 19:05:35 +01:00

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<a class="btn btn-lg btn-default" href="packaging_apps_en">Application packaging</a>
## Manifest
The `manifest.json` file defines the app's constants, a bunch of values that YunoHost needs to identify the app and install it correctly. It looks like this:
```json
{
"name": "Roundcube",
"id": "roundcube",
"description": {
"en": "Open Source Webmail software",
"fr": "Webmail Open Source"
},
"url": "http://roundcube.net/",
"license": "free",
"maintainer": {
"name": "kload",
"email": "kload@kload.fr"
},
"multi_instance": "true",
"services": [
"nginx",
"php5-fpm",
"mysql"
],
"arguments": {
"install" : [
{
"name": "domain",
"type": "domain",
"ask": {
"en": "Choose a domain for Roundcube",
"fr": "Choisissez un domaine pour Roundcube"
},
"example": "domain.org"
},
{
"name": "path",
"type": "path",
"ask": {
"en": "Choose a path for Roundcube",
"fr": "Choisissez un chemin pour Roundcube"
},
"example": "/webmail",
"default": "/webmail"
}
]
}
}
```
* **name**: app name. It does not have to be unique, but it should be, since it is the name shown to all the YunoHost administrators in the app list.
* **id**: ID of the app. You have to ensure that this ID is unique before submit an app integration request.
* **description**: complete app description. You can make it as detailed as you feel it should be. Only `en` is required right now, but you can translate the description by prepending the locale prefix.
* **url**: software website.
* **license**: application license: `free` or `non-free`. Be careful to not confuse with package license which must be put in `LICENSE` file.
* **maintainer**: informations about the app maintainer for contact.
* **multi_instance**: this defines your app's ability to be installed multiple times. When YunoHost tries to install a second instance of the app, it will replace the `id` in the scripts by an `id__2`. It means that, if you want to be `multi_instance`, you have to put all the identifiers in the scripts.
<br /><br />**E.g.** in the roundcube script, database is called `roundcube`, the install directory `roundcube` and the Nginx configuration `roundcube`. This way, the second instance of roundcube will not conflict with the first one, and will be installed in the `roundcube__2` database, in the `roundcube__2`directory, and with the `roundcube__2` Nginx configuration.
* **services**: services needed by the application among `nginx`, `php5-fpm`, `mysql`, `uwsgi`, `metronome`
* **arguments**:
* **install**: argument for the YunoHost's administrator to enter at installation.
* **name**: argument identification.
* **type**: (optional) argument type among `domain`, `path` et `password`. The field will be hiden in the password case.
* **ask**: question (at least in `en`) that you can translate.
* **example**: (optional) example value to help administrator to fill the input.
* **default**: (optional) default value.