From b0644b26c7f4b2550b81ce2d80981a48f2269647 Mon Sep 17 00:00:00 2001
From: Georg Gadinger <nilsding@nilsding.org>
Date: Sat, 4 Feb 2023 07:24:14 +0100
Subject: [PATCH] allow to set some configuration options via ENV

---
 config/initializers/10_config.rb | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/config/initializers/10_config.rb b/config/initializers/10_config.rb
index 2e12b5f4..deba98c4 100644
--- a/config/initializers/10_config.rb
+++ b/config/initializers/10_config.rb
@@ -1,5 +1,23 @@
+# frozen_string_literal: true
+
 # Auxiliary config
-APP_CONFIG = YAML.load_file(Rails.root.join('config', 'justask.yml')).with_indifferent_access
+
+APP_CONFIG = {}.with_indifferent_access
+
+# load yml config if it's present
+justask_yml_path = Rails.root.join("config/justask.yml")
+APP_CONFIG.merge!(YAML.load_file(justask_yml_path)) if File.exist?(justask_yml_path)
+
+# load config from ENV where possible
+env_config = {
+  # The site name, shown everywhere
+  site_name: ENV.fetch("SITE_NAME", nil),
+
+  hostname:  ENV.fetch("HOSTNAME", nil),
+}.compact
+APP_CONFIG.merge!(env_config)
 
 # Update rails config for mail
-Rails.application.config.action_mailer.default_url_options = { host: APP_CONFIG['hostname'] }
+Rails.application.config.action_mailer.default_url_options = {
+  host: APP_CONFIG["hostname"],
+}