diff --git a/app/views/application/not_found.html.erb b/app/views/application/not_found.html.erb
new file mode 100644
index 00000000..647e34c8
--- /dev/null
+++ b/app/views/application/not_found.html.erb
@@ -0,0 +1,23 @@
+<%
+# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
+# This program is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 3.0 of the License, or (at your option) any later
+# version.
+#
+# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public License along
+# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
+%>
+
+<div class="container text-center pt-9">
+  <div class="display-1 text-muted mb-5">404</div>
+  <h1 class="h2 mb-3"><%= t("errors.not_found.message") %></h1>
+  <p class="h4 text-muted font-weight-normal mb-7"><%= t("errors.not_found.help") %></p>
+  <a class="btn btn-primary" href="javascript:history.back()">
+    <i class="fas fa-arrow-left mr-2"></i><%= t("go_back") %>
+  </a>
+</div>
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 94228a23..90a1de00 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -93,7 +93,7 @@ Rails.application.configure do
   # require 'syslog/logger'
   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
 
-  if ENV["RAILS_LOG_TO_STDOUT"].present?
+  if ENV["RAILS_LOG_TO_STDOUT"] == "true"
     logger           = ActiveSupport::Logger.new(STDOUT)
     logger.formatter = config.log_formatter
     config.logger = ActiveSupport::TaggedLogging.new(logger)
diff --git a/sample.env b/sample.env
index 0337caee..309866eb 100644
--- a/sample.env
+++ b/sample.env
@@ -105,3 +105,22 @@ RELATIVE_URL_ROOT=/b
 # A URL to the image you want to appear in the top right corner of Greenlight.
 # By default, this is the BigBlueButton logo.
 BRANDING_IMAGE=
+
+# Comment this out to send logs to STDOUT in production instead of log/production.log .
+#
+# RAILS_LOG_TO_STDOUT=true
+#
+# When using docker-compose the logs can be sent to an external service like PaperTrail
+# just by using the built in driver. Make sure to add to docker-compose.yml the next lines:
+#
+#     logging:
+#      driver: syslog
+#      options:
+#        syslog-address: "tcp+tls://logs4.papertrailapp.com:[99999]"
+#        tag: greenlight.mydomain.com:v2
+#
+
+# Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
+# It is disabled by default.
+#
+# ENABLE_SSL=true