server {
    listen 80;
    server_name _;
    charset utf-8;
    
    root /usr/share/nginx/html;
    index index.html;

    # Frontend - Vue history mode
    location / {
        try_files $uri $uri/ /index.html;
        expires 1h;
    }

    # Backend API proxy
    location /prod-api/ {
        proxy_pass http://backend:8080/;
        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_connect_timeout 30s;
        proxy_read_timeout 120s;
    }
    
    # Static assets caching
    location ~* \.(js|css|png|jpg|gif|ico|woff|woff2|ttf|svg)$ {
        expires 30d;
        add_header Cache-Control "public, immutable";
    }
    
    # Gzip
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml;
    gzip_min_length 1000;
}