From 513a14cd836f64f4c03e7a381e3af24335a5d846 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim=20D=C3=BCsterhus?= <tim@bastelstu.be>
Date: Sat, 5 May 2018 16:53:54 +0200
Subject: [PATCH] Document `ADMINER_DEFAULT_SERVER`

---
 adminer/content.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/adminer/content.md b/adminer/content.md
index 8adff42b6..7503733b7 100644
--- a/adminer/content.md
+++ b/adminer/content.md
@@ -78,6 +78,14 @@ $ docker run --link some_database:db -p 8080:8080 -e ADMINER_DESIGN='nette' %%IM
 
 To use a custom design you can add a file called `/var/www/html/adminer.css`.
 
+### Usage with external server
+
+You can specify the default host with the `ADMINER_DEFAULT_SERVER` environment variable. This is useful if you are connecting to an external server or a docker container named something other than the default `db`.
+
+```console
+docker run -p 8080:8080 -e ADMINER_DEFAULT_SERVER=mysql %%IMAGE%%
+```
+
 ## Supported Drivers
 
 While Adminer supports a wide range of database drivers this image only supports the following out of the box: