upstream backend_upstream {
    server support-backend:8000;
}

upstream frontend_upstream {
    server administrationitdepartmens-frontend-1:5173;
}

# Редирект с HTTP на HTTPS
server {
    listen 80;
    server_name itformhelp.ru www.itformhelp.ru;
    
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

# Основной HTTPS сервер
server {
    listen 443 ssl;
    server_name itformhelp.ru www.itformhelp.ru;

    ssl_certificate /etc/letsencrypt/live/itformhelp.ru/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/itformhelp.ru/privkey.pem;
    
    # Рекомендуемые настройки SSL
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;
    ssl_stapling on;
    ssl_stapling_verify on;
    add_header Strict-Transport-Security "max-age=31536000" always;

    root /usr/share/nginx/html;
    index index.html;

    # Logging
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    # Frontend proxy
    location / {
        proxy_pass http://frontend_upstream;
        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_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;
    }

    # API proxy
    location /api/ {
        proxy_pass http://backend_upstream;
        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_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;
    }
}

# Редирект с IP на домен
server {
    listen 80;
    server_name 185.139.70.62;
    return 301 https://itformhelp.ru$request_uri;
}