Fix nginx permissions and port configuration

Dockerfile

@@ -8,7 +8,9 @@ RUN apt-get update && apt-get install -y \
     nodejs \
     npm \
     nginx \
-    && rm -rf /var/lib/apt/lists/*
+    && rm -rf /var/lib/apt/lists/* \
+    && mkdir -p /var/lib/nginx/body \
+    && chown -R www-data:www-data /var/lib/nginx
 
 # Install Python dependencies
 COPY backend/requirements.txt .
@@ -35,7 +37,7 @@ EXPOSE 7860
 
 # Set environment variables
 ENV PYTHONUNBUFFERED=1
-ENV PORT=7860
+ENV PORT=8000
 ENV REACT_APP_API_URL=https://shipmaster1-pythonicragreact.hf.space
 
 # Start all services

nginx.conf

@@ -1,8 +1,18 @@
+user www-data;
+worker_processes auto;
+pid /run/nginx.pid;
+
 events {
     worker_connections 1024;
 }
 
 http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    sendfile on;
+    keepalive_timeout 65;
+
     upstream frontend {
         server localhost:3000;
     }
@@ -22,6 +32,9 @@ http {
             proxy_set_header Connection 'upgrade';
             proxy_set_header Host $host;
             proxy_cache_bypass $http_upgrade;
+            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;
         }
 
         location /api/ {
@@ -31,6 +44,9 @@ http {
             proxy_set_header Connection 'upgrade';
             proxy_set_header Host $host;
             proxy_cache_bypass $http_upgrade;
+            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;
         }
     }
 }