--- Rakefile~	2021-09-07 19:38:01.000000000 +0000
+++ Rakefile	2021-10-20 14:29:30.073000000 +0000
@@ -34,10 +34,11 @@ end
 desc 'Migrate configuration settings.'
 task :migrate_settings do
   app_dir = __dir__
-  config_src_path = File.join(app_dir, "config", "settings.yml")
-  modules_config_src_path = File.join(app_dir, "config", "settings.d")
+  config_dir = File.directory?('/etc/smart-proxy') && '/etc/smart-proxy' || app_dir
+  config_src_path = File.join(config_dir, "config", "settings.yml")
+  modules_config_src_path = File.join(config_dir, "config", "settings.d")
   migrations_dir_path = File.join(app_dir, "extra", "migrations")
-  migrations_state_file_path = File.join(app_dir, "config", "migration_state")
+  migrations_state_file_path = File.join(config_dir, "config", "migration_state")
   FileUtils.touch(migrations_state_file_path)
 
   Dir.mktmpdir do |working_dir|
[builder@localhost gem-smart-proxy-3.0.0]$ diff -NBPrup lib/proxy/settings.rb~ lib/proxy/settings.rb
--- lib/proxy/settings.rb~	2021-09-07 19:38:01.000000000 +0000
+++ lib/proxy/settings.rb	2021-10-20 14:28:10.019000000 +0000
@@ -5,7 +5,9 @@ require "pathname"
 module Proxy::Settings
   extend ::Proxy::Log
 
-  SETTINGS_PATH = Pathname.new(__dir__).join("..", "..", "config", "settings.yml")
+  SYSCONFFILE = Pathname.new('/').join('etc', 'smart-proxy', 'config', 'settings.yml')
+  LOCALCONFFILE = Pathname.new(__dir__).join("..", "..", "config", "settings.yml")
+  SETTINGS_PATH = Pathname.new(File.expand_path((File.file?(SYSCONFFILE) && SYSCONFFILE || LOCALCONFFILE)))
 
   def self.initialize_global_settings(settings_path = nil, argv = ARGV)
     global = ::Proxy::Settings::Global.new(YAML.load(File.read(settings_path || SETTINGS_PATH)))
[builder@localhost gem-smart-proxy-3.0.0]$ diff -NBPrup lib/proxy/settings/global.rb~ lib/proxy/settings/global.rb
--- lib/proxy/settings/global.rb~	2021-09-07 19:38:01.000000000 +0000
+++ lib/proxy/settings/global.rb	2021-10-20 14:27:35.530000000 +0000
@@ -1,9 +1,9 @@
 module ::Proxy::Settings
   class Global < ::OpenStruct
     DEFAULT_SETTINGS = {
-      :settings_directory => Pathname.new(__dir__).join("..", "..", "..", "config", "settings.d").expand_path.to_s,
+      :settings_directory => File.join(File.dirname(::Proxy::Settings::SETTINGS_PATH), "settings.d"),
       :https_port => 8443,
-      :log_file => "/var/log/foreman-proxy/proxy.log",
+      :log_file => "/var/log/smart-proxy/proxy.log",
       :file_rolling_keep => 6,
       :file_rolling_size => 0,
       :file_rolling_age => 'weekly',