From c28f734e7170de59e02ba677ffa813789c4e1947 Mon Sep 17 00:00:00 2001
From: Pier-Jean Malandrino <pierjean.malandrino@scub.net>
Date: Fri, 3 Apr 2026 13:02:24 +0200
Subject: [PATCH] Add missing security headers to docker-compose nginx config

Align frontend/nginx.conf with the root nginx.conf by adding
X-Frame-Options, X-Content-Type-Options, X-XSS-Protection,
and Referrer-Policy headers.
---
 frontend/nginx.conf | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/frontend/nginx.conf b/frontend/nginx.conf
index 515b230..e6bc5de 100644
--- a/frontend/nginx.conf
+++ b/frontend/nginx.conf
@@ -4,6 +4,12 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    # Security headers
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+
     location / {
         try_files $uri $uri/ /index.html;
     }