server {
    listen 80;
    listen [::]:80;

    server_name _;

    location /static/ {
        alias /var/www/html/static/;
        expires 1y;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    location /media/ {
        alias /var/www/html/media/;
        expires 30d;
        add_header Cache-Control "public";
    }

    location /assets {
        root /usr/share/nginx/html;
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    location /api/ {
        proxy_pass http://backend:8000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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;
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }

    location / {
        root /usr/share/nginx/html;
        index index.html
        try_files $uri $uri/ /index.html;
        
        # Cache busting pour index.html
        add_header Cache-Control "public, max-age=0, must-revalidate";
    }

    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }

    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 "no-referrer-when-downgrade" always;
    add_header Permissions-Policy "geolocation=(), microphone=(), camera=()" always;

    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss;
    gzip_min_length 1000;

    error_page 404 /index.html;
    error_page 500 502 503 504 /50x.html;
}