add more aggressive headers to prevent caching the root.

nginx.conf

@@ -176,15 +176,18 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
     }
     
-    # Updated Root location - with 1 second cache
+    # Root location with no caching
     location = / {
         proxy_pass http://127.0.0.1:3000;
-        add_header Cache-Control "public, max-age=1";  # 1 second cache
+        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate";
+        add_header Pragma "no-cache";
+        add_header Expires "0";
         
-        proxy_cache STATIC;
-        proxy_cache_valid 200 302 1s;  # Cache successful responses for 1 second
-        proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
-        proxy_cache_lock on;
+        # Disable proxy cache for index.html
+        proxy_no_cache 1;
+        proxy_cache_bypass 1;
+        
+        # Show cache status in response headers
         add_header X-Cache-Status $upstream_cache_status;
         
         proxy_http_version 1.1;
@@ -196,22 +199,7 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
     }
     
-    # Location for index.html specifically
-    location ~* /index\.html$ {
-        proxy_pass http://127.0.0.1:3000;
-        add_header Cache-Control "public, max-age=1";
-        proxy_cache STATIC;
-        proxy_cache_valid 200 302 1s;
-        proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
-        proxy_cache_lock on;
-        add_header X-Cache-Status $upstream_cache_status;
-        
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
-    }
-    
+    # Default location for all other requests
     location / {
         proxy_pass http://127.0.0.1:3000;
         proxy_http_version 1.1;

src/server/Master.ts

@@ -30,9 +30,14 @@ app.use(
       // You can conditionally set different cache times based on file types
       if (path.endsWith(".html")) {
         // Set HTML files to no-cache to ensure Express doesn't send 304s
-        res.setHeader("Cache-Control", "no-cache, must-revalidate");
+        res.setHeader(
+          "Cache-Control",
+          "no-store, no-cache, must-revalidate, proxy-revalidate",
+        );
         res.setHeader("Pragma", "no-cache");
         res.setHeader("Expires", "0");
+        // Prevent conditional requests
+        res.setHeader("ETag", "");
       } else if (path.match(/\.(js|css|svg)$/)) {
         // JS, CSS, SVG get long cache with immutable
         res.setHeader("Cache-Control", "public, max-age=31536000, immutable");