From bd99eebebae41abcaf246c85ece6385c0f74dadf Mon Sep 17 00:00:00 2001
From: Dan Kerchner <kerchner@gwu.edu>
Date: Wed, 7 Jan 2026 19:41:01 +0000
Subject: [PATCH 1/3] Fixes #17

---
 config/environments/development.rb | 8 ++++++++
 config/environments/production.rb  | 8 ++++++++
 config/environments/test.rb        | 8 ++++++++
 example.env                        | 7 ++++++-
 4 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/config/environments/development.rb b/config/environments/development.rb
index 9bd43d1..3053a9e 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -12,6 +12,14 @@
   # Show full error reports.
   config.consider_all_requests_local = true
 
+  # Allowed hosts
+  if ENV["ALLOWED_HOST_REGEX"].present?
+    config.hosts << Regexp.new(ENV['ALLOWED_HOST_REGEX'])
+  end
+  if ENV['HOST_NAME'].present?
+    config.hosts << ENV['HOST_NAME']
+  end
+
   # Enable/disable caching. By default caching is disabled.
   # Run rails dev:cache to toggle caching.
   if Rails.root.join("tmp", "caching-dev.txt").exist?
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 222735e..208c9e7 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -17,6 +17,14 @@
   config.consider_all_requests_local = true
   config.action_controller.perform_caching = true
 
+  # Allowed hosts
+  if ENV["ALLOWED_HOST_REGEX"].present?
+    config.hosts << Regexp.new(ENV['ALLOWED_HOST_REGEX'])
+  end
+  if ENV['HOST_NAME'].present?
+    config.hosts << ENV['HOST_NAME']
+  end
+
   # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
   # or in config/master.key. This key is used to decrypt credentials (and other encrypted files).
   # config.require_master_key = true
diff --git a/config/environments/test.rb b/config/environments/test.rb
index d148f86..932fd18 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -23,6 +23,14 @@
   config.consider_all_requests_local = true
   config.action_controller.perform_caching = false
 
+  # Allowed hosts
+  if ENV["ALLOWED_HOST_REGEX"].present?
+    config.hosts << Regexp.new(ENV['ALLOWED_HOST_REGEX'])
+  end
+  if ENV['HOST_NAME'].present?
+    config.hosts << ENV['HOST_NAME']
+  end
+
   # Raise exceptions instead of rendering exception templates.
   config.action_dispatch.show_exceptions = false
 
diff --git a/example.env b/example.env
index 4293218..232283c 100644
--- a/example.env
+++ b/example.env
@@ -7,6 +7,11 @@ SECRET_KEY_BASE="beefaroni"
 RAILS_ENV=development
 PUMA_ENV=development
 
+# If both ALLOWED_HOSTS_REGEX and HOST_NAME are populated, both will be allowed
+# ALLOWED_HOSTS_REGEX=/.*\.compute\.amazonaws\.com/
+ALLOWED_HOSTS_REGEX=
+HOST_NAME=
+
 BUNDLE_GEMFILE=Gemfile
 # BUNDLE_PATH=/app/scholarspace/bundle
 CH12N_TOOL=fits_servlet
@@ -70,4 +75,4 @@ AWS_ACCESS_KEY=
 AWS_SECRET_KEY=
 S3_BUCKET_NAME=
 # Optional -- for pointing Fedora to a specific path within a bucket
-S3_PREFIX=
\ No newline at end of file
+S3_PREFIX=

From 4f415a5b7aa106ba812193ab02780b73b72408f9 Mon Sep 17 00:00:00 2001
From: Dan Kerchner <kerchner@gwu.edu>
Date: Wed, 4 Mar 2026 19:36:39 +0000
Subject: [PATCH 2/3] Updated ALLOWED_HOST_REGEX to ALLOWED_HOSTS_REGEX

---
 config/environments/development.rb | 4 ++--
 config/environments/production.rb  | 4 ++--
 config/environments/test.rb        | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/config/environments/development.rb b/config/environments/development.rb
index 3053a9e..892ad2e 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -13,8 +13,8 @@
   config.consider_all_requests_local = true
 
   # Allowed hosts
-  if ENV["ALLOWED_HOST_REGEX"].present?
-    config.hosts << Regexp.new(ENV['ALLOWED_HOST_REGEX'])
+  if ENV["ALLOWED_HOSTS_REGEX"].present?
+    config.hosts << Regexp.new(ENV['ALLOWED_HOSTS_REGEX'])
   end
   if ENV['HOST_NAME'].present?
     config.hosts << ENV['HOST_NAME']
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 208c9e7..deeddce 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -18,8 +18,8 @@
   config.action_controller.perform_caching = true
 
   # Allowed hosts
-  if ENV["ALLOWED_HOST_REGEX"].present?
-    config.hosts << Regexp.new(ENV['ALLOWED_HOST_REGEX'])
+  if ENV["ALLOWED_HOSTS_REGEX"].present?
+    config.hosts << Regexp.new(ENV['ALLOWED_HOSTS_REGEX'])
   end
   if ENV['HOST_NAME'].present?
     config.hosts << ENV['HOST_NAME']
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 932fd18..5d4d09a 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -24,8 +24,8 @@
   config.action_controller.perform_caching = false
 
   # Allowed hosts
-  if ENV["ALLOWED_HOST_REGEX"].present?
-    config.hosts << Regexp.new(ENV['ALLOWED_HOST_REGEX'])
+  if ENV["ALLOWED_HOSTS_REGEX"].present?
+    config.hosts << Regexp.new(ENV['ALLOWED_HOSTS_REGEX'])
   end
   if ENV['HOST_NAME'].present?
     config.hosts << ENV['HOST_NAME']

From 79130d094bf3c38130ca70d0d124ff1ebd2f10fd Mon Sep 17 00:00:00 2001
From: Dan Kerchner <kerchner@gwu.edu>
Date: Wed, 4 Mar 2026 19:52:38 +0000
Subject: [PATCH 3/3] Enhanced instructions

---
 example.env | 1 +
 1 file changed, 1 insertion(+)

diff --git a/example.env b/example.env
index 232283c..583252e 100644
--- a/example.env
+++ b/example.env
@@ -11,6 +11,7 @@ PUMA_ENV=development
 # ALLOWED_HOSTS_REGEX=/.*\.compute\.amazonaws\.com/
 ALLOWED_HOSTS_REGEX=
 HOST_NAME=
+# Restart nginx after modifying HOST_NAME and/or ALLOWED_HOSTS_REGEX
 
 BUNDLE_GEMFILE=Gemfile
 # BUNDLE_PATH=/app/scholarspace/bundle