From d9f1f39ee42125dc73501de76e95eae90a79b059 Mon Sep 17 00:00:00 2001
From: Alexandre Bodin <bodin.alex@gmail.com>
Date: Mon, 12 Aug 2019 17:08:22 +0200
Subject: [PATCH] Add documentation

---
 .../configurations/configurations.md          | 29 ++++++++++++++++++-
 .../files/config/functions/bootstrap.js       |  2 ++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/docs/3.0.0-beta.x/configurations/configurations.md b/docs/3.0.0-beta.x/configurations/configurations.md
index 3a614b05d4..2bf143c9cb 100644
--- a/docs/3.0.0-beta.x/configurations/configurations.md
+++ b/docs/3.0.0-beta.x/configurations/configurations.md
@@ -83,9 +83,36 @@ The `bootstrap` function is called at every server start. You can use it to add
 
 Here are some use cases:
 
-- Create an admin user if there isn't.
+- Create an admin user if there isn't one.
 - Fill the database with some necessary data.
 - Check that the database is up-and-running.
+- Load some envrionments 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 */);
+};
+```
+
+**Be async**
+
+```js
+module.exports = async () => {
+  await someSetup();
+};
+```
 
 ### CRON tasks
 
diff --git a/packages/strapi-generate-new/lib/resources/files/config/functions/bootstrap.js b/packages/strapi-generate-new/lib/resources/files/config/functions/bootstrap.js
index 917d16f39b..a33be48b92 100644
--- a/packages/strapi-generate-new/lib/resources/files/config/functions/bootstrap.js
+++ b/packages/strapi-generate-new/lib/resources/files/config/functions/bootstrap.js
@@ -6,6 +6,8 @@
  *
  * This gives you an opportunity to set up your data model,
  * run jobs, or perform some special logic.
+ *
+ * See more details here: https://strapi.io/documentation/3.0.0-beta.x/configurations/configurations.html#bootstrap
  */
 
 module.exports = () => {};