Move default.conf to nginx folder for Docker

Author: HamzaZeroual2

nginx/default.conf

@@ -0,0 +1,21 @@
+server {
+    listen 80;
+    server_name localhost; # Or your-domain.com if you have one
+
+    location / {
+        # 'gym-api' matches the service name in docker-compose.yml
+        # '8080' matches the internal port of your .NET app
+        proxy_pass http://gym-api:8080;
+
+        # These headers are CRITICAL for the "ForwardedHeaders" logic 
+        # we added to your Program.cs to work correctly.
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection keep-alive;
+        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;
+        proxy_cache_bypass $http_upgrade;
+    }
+}