From 0824139069043ad963d33f2fb901696d7ace24ee Mon Sep 17 00:00:00 2001
From: Wolfgang Walther <walther@technowledgy.de>
Date: Sun, 23 Jan 2022 12:12:32 +0100
Subject: [PATCH] Add order of precedence for config parameters

---
 configuration.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configuration.rst b/configuration.rst
index 59501140c..422093d36 100644
--- a/configuration.rst
+++ b/configuration.rst
@@ -9,6 +9,12 @@ To connect to a database it uses a `libpq connection string <https://www.postgre
 
 The user with whom PostgREST connects to the database is also known as the authenticator role. For more information about the anonymous vs authenticator roles see :ref:`roles`.
 
+Config parameters are read in the following order:
+
+1. From the config file.
+2. From environment variables, overriding values from the config file.
+3. From the database, overriding values from both the config file and environment variables.
+
 .. _file_config:
 
 Config File