From 3e93a7557a3e1ed1b1404e6d84fadc10ac22f426 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Fri, 30 Nov 2018 22:57:15 +0100
Subject: Document selecting RELX_CONFIG for prod/dev

---
 doc/src/guide/releases.asciidoc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/doc/src/guide/releases.asciidoc b/doc/src/guide/releases.asciidoc
index 92968ff..68174b3 100644
--- a/doc/src/guide/releases.asciidoc
+++ b/doc/src/guide/releases.asciidoc
@@ -15,6 +15,20 @@ the variable before including Erlang.mk:
 [source,make]
 RELX_CONFIG = $(CURDIR)/webchat.config
 
+It is also possible to have multiple 'relx.config' files.
+For example you might have one for development and one for
+production. You can use conditionals to decide which one
+should be used:
+
+[source,make]
+----
+ifdef PROD
+RELX_CONFIG = $(CURDIR)/relx.prod.config
+else
+RELX_CONFIG = $(CURDIR)/relx.dev.config
+endif
+----
+
 Relx does not need to be installed. Erlang.mk will download
 and build it automatically.
 
-- 
cgit v1.2.3