Make Redis URL configurable

.env.example

@@ -7,6 +7,8 @@ SMTP_DOMAIN=example.com
 SMTP_AUTH_METHOD=plain
 SMTP_ENABLE_STARTTLS=auto
 
+REDIS_URL='redis://localhost:6379/1'
+
 LDAP_HOST=localhost
 LDAP_PORT=389
 LDAP_ADMIN_PASSWORD=passthebutter

app/models/setting.rb

@@ -2,6 +2,13 @@
 class Setting < RailsSettings::Base
   cache_prefix { "v1" }
 
+  #
+  # Internal services
+  #
+
+  field :redis_url, type: :string, readonly: true,
+    default: ENV["REDIS_URL"] || "redis://localhost:6379/0"
+
   #
   # Registrations
   #

config/initializers/sidekiq.rb

@@ -0,0 +1,5 @@
+require_relative "../../app/models/setting"
+
+Sidekiq.configure_server do |config|
+  config.redis = { url: Setting.redis_url }
+end