feat: Self-hosting nginx config improvements

nginx/default.conf

@@ -1,13 +1,32 @@
+# --- Cloudflare IP header forwarding ---
+# map $http_cf_connecting_ip $client_real_ip {
+#     default $remote_addr;
+#     "~." $http_cf_connecting_ip;
+# }
+
 server {
     listen 80;
-    listen 443 ssl http2;
-
+    listen 443 ssl;
+    http2 on;
+    # Remove Nginx version from response headers
+    server_tokens off;
+
+    # TLS config
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers EECDH+AESGCM:EECDH+CHACHA20; # Enforce strong ciphers, might break older clients. Adjust as needed.
+    ssl_prefer_server_ciphers on;
+
+    # TLS certificates
+    # Self-signed. Adjust as needed.
     ssl_certificate /etc/nginx/ssl/nginx.crt;
     ssl_certificate_key /etc/nginx/ssl/nginx.key;
 
+    # Route API traffic to backend - https://example.com/service/ -> http://backend:8000/
     location /service/ {
         rewrite ^/service/(.*) /$1 break;
 
+        # If using Cloudflare - use this to forward the real client IP
+        # proxy_set_header X-Real-IP $client_real_ip;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 
@@ -24,28 +43,12 @@ server {
         proxy_busy_buffers_size 128k;
     }
 
-    location /kms/ {
-        rewrite ^/kms/(.*) /kms/$1 break;
-
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-
-        proxy_set_header Host $http_host;
-        proxy_set_header X-NginX-Proxy true;
-
-        proxy_pass http://backend:8000;
-        proxy_redirect off;
-
-        proxy_cookie_path / "/; HttpOnly; SameSite=strict";
-
-        proxy_buffers 16 32k;
-        proxy_buffer_size 64k;
-        proxy_busy_buffers_size 128k;
-    }
-
+    # Route traffic to frontend - https://example.com/ -> http://frontend:3000/
     location / {
         include /etc/nginx/mime.types;
 
+        # If using Cloudflare - use this to forward the real client IP
+        # proxy_set_header X-Real-IP $client_real_ip;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;