Add dotenv

.env.example

@@ -0,0 +1,8 @@
+LDAP_HOST=192.168.33.10
+LDAP_PORT=389
+#
+# Production LDAP server:
+#
+# LDAP_HOST=ldap.kosmos.org
+# LDAP_PORT=636
+# LDAP_USE_TLS=true

.gitignore

@@ -36,3 +36,6 @@
 /yarn-error.log
 yarn-debug.log*
 .yarn-integrity
+
+# Ignore local dotenv config file
+.env

Gemfile

@@ -25,6 +25,8 @@ gem 'jbuilder', '~> 2.7'
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.4.2', require: false
 
+gem 'dotenv-rails', groups: [:development, :test]
+
 gem 'net-ldap'
 
 group :development, :test do

Gemfile.lock

@@ -75,6 +75,10 @@ GEM
     crass (1.0.6)
     database_cleaner (1.8.5)
     diff-lcs (1.4.4)
+    dotenv (2.7.2)
+    dotenv-rails (2.7.2)
+      dotenv (= 2.7.2)
+      railties (>= 3.2, < 6.1)
     erubi (1.9.0)
     ffi (1.13.1)
     globalid (0.4.2)

app/controllers/ldap_users_controller.rb

@@ -24,9 +24,9 @@ class LdapUsersController < ApplicationController
   private
 
   def ldap_client
-    ldap_client ||= Net::LDAP.new host: "ldap.kosmos.org",
-      port: 636,
-      encryption: :simple_tls,
+    ldap_client ||= Net::LDAP.new host: ENV['LDAP_HOST'],
+      port: ENV['LDAP_PORT'],
+      encryption: ENV['LDAP_USE_TLS'] ? :simple_tls : nil,
       auth: {
         method: :simple,
         username: Rails.application.credentials.ldap[:username],