diff --git a/config/environments/production.rb b/config/environments/production.rb
index 78bf543..9b37122 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -66,10 +66,10 @@ Gitlab::Application.configure do
 
   config.action_mailer.delivery_method = :sendmail
   # Defaults to:
-  # # config.action_mailer.sendmail_settings = {
-  # #   location: '/usr/sbin/sendmail',
-  # #   arguments: '-i -t'
-  # # }
+  config.action_mailer.sendmail_settings = {
+    location: '/var/setuid-wrappers/sendmail',
+    arguments: '-i -t'
+  }
   config.action_mailer.perform_deliveries = true
   config.action_mailer.raise_delivery_errors = true
 
diff --git a/config/gitlab.yml.example b/config/gitlab.yml.example
index e7a8d08..834ecaf 100644
--- a/config/gitlab.yml.example
+++ b/config/gitlab.yml.example
@@ -17,8 +17,8 @@ production: &base
   ## GitLab settings
   gitlab:
     ## Web server settings (note: host is the FQDN, do not include http://)
-    host: localhost
-    port: 80 # Set to 443 if using HTTPS, see installation.md#using-https for additional HTTPS configuration details
+    host: <%= ENV['GITLAB_HOST'] || 'localhost' %>
+    port: <%= ENV['GITLAB_PORT'] || 80 %>
     https: false # Set to true if using HTTPS, see installation.md#using-https for additional HTTPS configuration details
 
     # Uncommment this line below if your ssh host is different from HTTP/HTTPS one
@@ -31,11 +31,11 @@ production: &base
     # relative_url_root: /gitlab
 
     # Uncomment and customize if you can't use the default user to run GitLab (default: 'git')
-    # user: git
+    user: gitlab
 
     ## Email settings
     # Email address used in the "From" field in mails sent by GitLab
-    email_from: example@example.com
+    email_from: <%= ENV['GITLAB_EMAIL_FROM'] %>
 
     # Email server smtp settings are in [a separate file](initializers/smtp_settings.rb.sample).
 
@@ -230,12 +230,12 @@ production: &base
   # GitLab Satellites
   satellites:
     # Relative paths are relative to Rails.root (default: tmp/repo_satellites/)
-    path: /home/git/gitlab-satellites/
+    path: <%= ENV['GITLAB_SATELLITES_PATH'] %>
     timeout: 30
 
   ## Backup settings
   backup:
-    path: "tmp/backups"   # Relative paths are relative to Rails.root (default: tmp/backups/)
+    path: <%= ENV['GITLAB_BACKUP_PATH'] %>
     # keep_time: 604800   # default: 0 (forever) (in seconds)
     # upload:
     #   # Fog storage connection settings, see http://fog.io/storage/ .
@@ -249,11 +249,11 @@ production: &base
 
   ## GitLab Shell settings
   gitlab_shell:
-    path: /home/git/gitlab-shell/
+    path: <%= ENV['GITLAB_SHELL_PATH'] %>
 
     # REPOS_PATH MUST NOT BE A SYMLINK!!!
-    repos_path: /home/git/repositories/
-    hooks_path: /home/git/gitlab-shell/hooks/
+    repos_path: <%= ENV['GITLAB_REPOSITORIES_PATH'] %>
+    hooks_path: <%= ENV['GITLAB_SHELL_HOOKS_PATH'] %>
 
     # Git over HTTP
     upload_pack: true
@@ -266,7 +266,7 @@ production: &base
   # CAUTION!
   # Use the default values unless you really know what you are doing
   git:
-    bin_path: /usr/bin/git
+    bin_path: git
     # The next value is the maximum memory size grit can use
     # Given in number of bytes per git object (e.g. a commit)
     # This value can be increased if you have very large commits
@@ -299,7 +299,7 @@ test:
   gravatar:
     enabled: true
   gitlab:
-    host: localhost
+    host: <%= ENV['GITLAB_HOST'] %>
     port: 80
 
     # When you run tests we clone and setup gitlab-shell
diff --git a/lib/gitlab/app_logger.rb b/lib/gitlab/app_logger.rb
index 8e4717b..abfe2e4 100644
--- a/lib/gitlab/app_logger.rb
+++ b/lib/gitlab/app_logger.rb
@@ -1,7 +1,7 @@
 module Gitlab
   class AppLogger < Gitlab::Logger
     def self.file_name
-      'application.log'
+      ENV["GITLAB_APPLICATION_LOG_PATH"]
     end
 
     def format_message(severity, timestamp, progname, msg)