From 1604ce953d10d8d23b1202751912388443770d9b Mon Sep 17 00:00:00 2001
From: TVanteeffelen <tanner@tannervanteeffelen.com>
Date: Tue, 2 Jun 2026 22:07:49 -0400
Subject: [PATCH] Update README.md

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 README.md | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
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+++ b/README.md
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 # Hostinger-DDNS
 
-A small piece of software for dynamically updating a DNS record for a Hostinger hosted domain.
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+A small piece of software for dynamically updating a DNS record for a Hostinger hosted domain.
+
+---
+
+## Environment Variables
+
+The following environment variables must be defined in your `.env` file:
+
+- **DOMAIN**  
+  The domain you want to check and/or modify.
+
+- **SUBDOMAIN**  
+  The subdomain you want to check and/or modify.
+
+- **DNS_RECORD_TYPE**  
+  The type of record you want to change.
+
+- **TOKEN**  
+  Your Hostinger token.
+
+---
+
+## Docker Compose example
+
+```
+services:
+  hostinger-ddns:
+    build: .
+    container_name: hostinger-ddns
+    restart: unless-stopped
+    environment:
+      DOMAIN: ${DOMAIN}
+      HOSTINGER_TOKEN: ${HOSTINGER_TOKEN}
+```
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