server {
    listen 80;
    server_name localhost;
    
    # Настройка буферов для улучшения производительности
    client_body_buffer_size 128k;
    client_max_body_size 20M;
    client_body_timeout 60s;
    
    # Буферизация для проксирования
    proxy_buffers 16 32k;
    proxy_buffer_size 64k;
    proxy_busy_buffers_size 128k;
    proxy_temp_file_write_size 256k;
    
    # Настройка сжатия
    gzip on;
    gzip_comp_level 5;
    gzip_min_length 256;
    gzip_proxied any;
    gzip_vary on;
    gzip_types
        application/javascript
        application/json
        application/xml
        application/xml+rss
        image/svg+xml
        text/css
        text/javascript
        text/plain
        text/xml;

    # Frontend (Next.js)
    location / {
        proxy_pass http://frontend:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        proxy_read_timeout 60s;
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
    }

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

    # Docs для API
    location /docs {
        proxy_pass http://backend:8000/docs;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
    
    location /redoc {
        proxy_pass http://backend:8000/redoc;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
    
    location /openapi.json {
        proxy_pass http://backend:8000/openapi.json;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }

    # Статические файлы и загруженные изображения 
    location /uploads/ {
        alias /app/uploads/;
        
        # Настройки кэширования для оптимизации загрузки
        expires 30d;
        add_header Cache-Control "public, max-age=2592000";
        add_header Access-Control-Allow-Origin *;
        
        # Настройки для эффективной отдачи статических файлов
        tcp_nodelay on;
        tcp_nopush on;
        sendfile on;
        sendfile_max_chunk 1m;
        
        # Отключаем логирование для статики
        access_log off;
        
        # Заголовки для изображений разных форматов
        location ~* \.(jpg|jpeg|png|gif|ico|webp)$ {
            expires 30d;
            add_header Cache-Control "public, max-age=2592000";
            add_header Pragma public;
            add_header Vary Accept-Encoding;
            access_log off;
            try_files $uri $uri/ =404;
        }
    }
}