From 1d01344067a47bf799cabe365091adb81def3b9e Mon Sep 17 00:00:00 2001
From: Daniel Langbein <daniel@systemli.org>
Date: Tue, 28 Mar 2023 17:16:11 +0200
Subject: [PATCH] docs: example configuration

---
 README.md | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/README.md b/README.md
index f2a1890..5da177a 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,25 @@
 
 Update DNS records with your current external IP address using the netcup DNS API.
 
+## Configuration
+
+For each netcup customer, create a `.ini` configuration file. Here is an example:
+
+```ini
+[credentials]
+customer = 123456
+api_key = abcdefghijklmnopqrstuvwxyz
+api_password = abcdefghijklmnopqrstuvwxyz
+
+[example.com]
+hostname = @
+type = A
+
+[foo.bar]
+hostname = @
+type = A
+```
+
 ## TODOs
 
 Alternative external IP detection: