From 78521e079f519af0cd21ffbe45478f030f496455 Mon Sep 17 00:00:00 2001
From: Casey Rapnicki <casey.rapnicki@bixal.com>
Date: Thu, 16 Jan 2025 18:57:15 -0500
Subject: [PATCH] DIGITAL-90: Configure 404 page.

---
 .../nginx-waf/nginx/conf.d/default.conf       | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/terraform/applications/nginx-waf/nginx/conf.d/default.conf b/terraform/applications/nginx-waf/nginx/conf.d/default.conf
index 13b73f10..9445a53d 100644
--- a/terraform/applications/nginx-waf/nginx/conf.d/default.conf
+++ b/terraform/applications/nginx-waf/nginx/conf.d/default.conf
@@ -7,6 +7,11 @@ map $request_uri $error_page {
   default /404/index.html;
 }
 
+map $uri $custom_content_type {
+  default "text/html";
+  ~(.*.ico)$ "image/x-icon";
+}
+
 server {
     server_name _;
     listen $VCAP_APP_PORT;
@@ -31,7 +36,6 @@ server {
       proxy_set_header Host $cf_forwarded_host;
       proxy_set_header X-Forwarded-For $remote_addr;
       proxy_set_header X-Real-IP $remote_addr;
-      error_page 403 404 =404 @fourohfour;
     }
 
     location / {
@@ -43,7 +47,6 @@ server {
       proxy_set_header Host $cf_forwarded_host;
       proxy_set_header X-Forwarded-For $remote_addr;
       proxy_set_header X-Real-IP $remote_addr;
-      error_page 403 404 =404 @fourohfour;
     }
 }
 
@@ -57,17 +60,19 @@ server {
     
     rewrite ^ $error_page;
 
-    proxy_hide_header Content-Type;
-    add_header Content-Type 'text/html';
-
     include nginx/snippets/proxy-to-static.conf;
+
+    proxy_hide_header Content-Type;
+    add_header Content-Type $custom_content_type;
+    
+    break;
   }
 
   location = /favicon.ico {
     log_not_found off;
     access_log off;
   }
-  
+
   location / {
     rewrite ^([^.]*[^/])$ $1/;
     rewrite (.*)/$ $1/index.html last;
@@ -222,6 +227,6 @@ server {
     #include nginx/dynamic/deny-by-domain.conf;
     # include nginx/snippets/ip-restrict-static.conf;
     include nginx/snippets/proxy-to-storage.conf;
-    error_page 403 = @fourohfour;
+    error_page 403 404 =404 @fourohfour;
   }
 }