From 0e1dfbf7a3b21c5e364656274037597d798590b5 Mon Sep 17 00:00:00 2001
From: Mathias Baumgartinger <hiasbaum@gmail.com>
Date: Sat, 25 Apr 2026 16:36:19 +0200
Subject: [PATCH] docs: document `S3_REGION` env variable

The default is configured to eu-west-1, this may be a pitfall for users
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 0da79ce..4663b6a 100644
--- a/README.md
+++ b/README.md
@@ -36,11 +36,13 @@ It can be configured to run periodically using CloudWatch events.
         "PGPASSWORD": "password",
         "PGHOST": "host",
         "S3_BUCKET": "db-backups",
+        "S3_REGION": "eu-west-1",
         "ROOT": "hourly-backups"
     }
     ```
 
     - _Test_ and check the output
+    - _Hint: the default S3 region is configured to eu-west-1, you need to explicitly override `S3_REGION`_
 
 5. Create a CloudWatch rule:
     - Event Source: Schedule -> Fixed rate of 1 hour