Your application configuration lives in the `config` folder. All the configuration files are loaded on startup and can be accessed through the configuration provider.
When you have a file `./config/server.js` with the following config:
You can either use `.js` or `.json` files to configure your application.
When using a `.js` you can either export an object:
```js
module.exports = {
mySecret: 'someValue',
};
```
or a function returning a configuration object (recommended usage). The function will get access to the [`env` utility](#casting-environment-variables).
If you want to customize the path of the `.env` file to load you can set an environment variable called `ENV_PATH` before starting your application:
```sh
$ ENV_PATH=/absolute/path/to/.env npm run start
```
Now you can access those variables in your configuration files and application. You can use `process.env.{varName}` to access those variables anywhere.
In your configuration files you will have access to a `env` utility that allows defining defaults and casting values.
`config/database.js`
```js
module.exports = ({ env }) => ({
connections: {
default: {
settings: {
password: env('DATABASE_PASSWORD'),
},
},
},
});
```
### Casting environment variables
```js
// Returns the env if defined without casting it
env('VAR', 'default');
// Cast to int (using parseInt)
env.int('VAR', 0);
// Cast to float (using parseFloat)
env.float('VAR', 3.14);
// Cast to boolean (check if the value is equal to 'true')
env.bool('VAR', true);
// Cast to js object (using JSON.parse)
env.json('VAR', { key: 'value' });
// Cast to an array (syntax: ENV_VAR=[value1, value2, value3] | ENV_VAR=["value1", "value2", "value3"])
Strapi configurations can also be created per environment in `./config/env/{env}/{filename}`. These configurations will be merged into the base configurations defined in the `./config` folder.
When starting Strapi with `NODE_ENV=production` it will load the configuration from `./config/*` and `./config/env/production/*`. Everything defined in the production config will override the default config.
| `emitErrors` | Enable errors to be emitted to `koa` when they happen in order to attach custom logic or use error reporting services. | boolean | `false` |
| `url` | Url of the server. Enable proxy support such as Apache or Nginx, example: `https://mywebsite.com/api`. The url can be relative, if so, it is used with `http://${host}:${port}` as the base url. | string | `''` |
| `admin.url` | Url of your admin panel. Default value: `/admin`. Note: If the url is relative, it will be concatenated with `url`. | string | `/admin` |
| `admin.autoOpen` | Enable or disabled administration opening on start. | boolean | `true` |
| `admin.watchIgnoreFiles` | Add custom files that should not be watched during development. See more [here](https://github.com/paulmillr/chokidar#path-filtering) (property `ignored`). | Array(string) | `[]` |
The `./config/functions/` folder contains a set of JavaScript files in order to add dynamic and logic based configurations.
All functions that are exposed in this folder are accessible via `strapi.config.functions['fileName']();`
### Bootstrap
**Path —** `./config/functions/bootstrap.js`.
The `bootstrap` function is called at every server start. You can use it to add a specific logic at this moment of your server's lifecycle.
Here are some use cases:
- Create an admin user if there isn't one.
- Fill the database with some necessary data.
- Load some environment variables.
The bootstrap function can be synchronous or asynchronous.
**Synchronous**
```js
module.exports = () => {
// some sync code
};
```
**Return a promise**
```js
module.exports = () => {
return new Promise(/* some code */);
};
```
**Asynchronous**
```js
module.exports = async () => {
await someSetup();
};
```
### CRON tasks
CRON tasks allow you to schedule jobs (arbitrary functions) for execution at specific dates, with optional recurrence rules. It only uses a single timer at any given time (rather than reevaluating upcoming jobs every second/minute).
This feature is powered by [`node-schedule`](https://www.npmjs.com/package/node-schedule) node modules. Check it for more information.
::: warning
Make sure the `enabled` cron config is set to `true` in `./config/server.js` file.
:::
The cron format consists of:
```
** ** * *
┬ ┬ ┬ ┬ ┬ ┬
│ │ │ │ │ |
│ │ │ │ │ └ day of week (0 - 7) (0 or 7 is Sun)
│ │ │ │ └───── month (1 - 12)
│ │ │ └────────── day of month (1 - 31)
│ │ └─────────────── hour (0 - 23)
│ └──────────────────── minute (0 - 59)
└───────────────────────── second (0 - 59, OPTIONAL)
```
To define a CRON job, add your logic like below:
**Path —** `./config/functions/cron.js`.
```js
module.exports = {
/**
* Simple example.
* Every monday at 1am.
*/
'0 0 1 * * 1': () => {
// Add your own logic here (e.g. send a queue of email, create a database backup, etc.).
},
};
```
### Database ORM customization
When present, they are loaded to let you customize your database connection instance, for example for adding some plugin, customizing parameters, etc.
:::: tabs
::: tab Mongoose
As an example, for using the `mongoose-simple-random` plugin for MongoDB, you can register it like this:
**Path —** `./config/functions/mongoose.js`.
```js
'use strict';
const random = require('mongoose-simple-random');
module.exports = (mongoose, connection) => {
mongoose.plugin(random);
};
```
:::
::: tab Bookshelf
Another example would be using the `bookshelf-uuid` plugin for MySQL, you can register it like this:
**Path —** `./config/functions/bookshelf.js`.
```js
'use strict';
module.exports = (bookshelf, connection) => {
bookshelf.plugin(require('bookshelf-uuid'));
};
```
:::
::::
## Database
This file lets you define database connections that will be used to store your application content.
You can find [supported database and versions](../installation/cli.html#databases) in the local installation process.
**Path —** `./config/database.js`.
:::: tabs
::: tab Bookshelf
-`defaultConnection` (string): Connection by default for models which are not related to a specific `connection`. Default value: `default`.
-`connections` List of all available connections.
-`default`
-`connector` (string): Connector used by the current connection. Will be `bookshelf`.
-`settings` Useful for external session stores such as Redis.
-`client` (string): Database client to create the connection. `sqlite` or `postgres` or `mysql`.
-`username` (string): Username used to establish the connection.
-`password` (string): Password used to establish the connection.
-`options` (object): List of additional options used by the connector.
-`timezone` (string): Set the default behavior for local time. Default value: `utc` [Timezone options](https://www.php.net/manual/en/timezones.php).
-`schema` (string): Set the default database schema. **Used only for Postgres DB.**
-`ssl` (boolean): For ssl database connection.
-`options` Options used for database connection.
-`debug` (boolean): Show database exchanges and errors.
-`autoMigration` (boolean): To disable auto tables/columns creation for SQL database.
-`pool` Options used for database connection pooling. For more information look at [Knex's pool config documentation](https://knexjs.org/#Installation-pooling).
-`min` (integer): Minimum number of connections to keep in the pool. Default value: `0`.
-`max` (integer): Maximum number of connections to keep in the pool. Default value: `10`.
-`acquireTimeoutMillis` (integer): Maximum time in milliseconds to wait for acquiring a connection from the pool. Default value: `2000` (2 seconds).
-`createTimeoutMillis` (integer): Maximum time in milliseconds to wait for creating a connection to be added to the pool. Default value: `2000` (2 seconds).
-`idleTimeoutMillis` (integer): Number of milliseconds to wait before destroying idle connections. Default value: `30000` (30 seconds).
-`reapIntervalMillis` (integer): How often to check for idle connections in milliseconds. Default value: `1000` (1 second).
-`createRetryIntervalMillis` (integer): How long to idle after a failed create before trying again in milliseconds. Default value: `200`.
:::
::: tab Mongoose
-`defaultConnection` (string): Connection by default for models which are not related to a specific `connection`. Default value: `default`.
-`connections` List of all available connections.
-`default`
-`connector` (string): Connector used by the current connection. Will be `mongoose`.
-`settings` Useful for external session stores such as Redis.
-`client` (string): Database client to create the connection. Will be `mongo`.
Take a look at the [database's guide](../guides/databases.md) for more details.
:::
## Configuration in database
Configuration files are not multi server friendly. So we created a data store for config you will want to update in production.
### Get settings
-`environment` (string): Sets the environment you want to store the data in. By default it's current environment (can be an empty string if your config is environment agnostic).
-`type` (string): Sets if your config is for an `api`, `plugin` or `core`. By default it's `core`.
-`name` (string): You have to set the plugin or api name if `type` is `api` or `plugin`.
-`key` (string, required): The name of the key you want to store.
```js
// strapi.store(object).get(object);
// create reusable plugin store variable
const pluginStore = strapi.store({
environment: strapi.config.environment,
type: 'plugin',
name: 'users-permissions',
});
await pluginStore.get({ key: 'grant' });
```
### Set settings
-`value` (any, required): The value you want to store.
