# /etc/nginx/sites-available/sac
# Production FQDN: sac.kalinamall.ru
# API: 127.0.0.1:8000 (systemd sac-api)
#
# Hostname: только sac.kalinamall.ru; остальные Host → 444 (см. default_server ниже).
#
# Порядок: 1) этот конфиг (только :80) → nginx -t → reload
#          2) certbot --nginx -d sac.kalinamall.ru  (добавит :443 и сертификаты)

upstream sac_api {
    server 127.0.0.1:8000;
    keepalive 8;
}

# --- default: отклонить чужие Host (не sac.kalinamall.ru) ---
server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name _;
    return 444;
}

server {
    listen 80;
    listen [::]:80;
    server_name sac.kalinamall.ru;

    location /.well-known/acme-challenge/ {
        root /var/www/html;
    }

    client_max_body_size 2m;

    # SSH/WinRM и git-probe: backend ждёт до 900s
    location ~ ^/api/v1/(hosts/[0-9]+/actions/(agent-update|agent-update-fallback|ssh-test|winrm-test)|settings/agent-updates/test-git) {
        proxy_pass http://sac_api;
        proxy_http_version 1.1;
        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_connect_timeout 30s;
        proxy_send_timeout 960s;
        proxy_read_timeout 960s;
    }

    location / {
        proxy_pass http://sac_api;
        proxy_http_version 1.1;
        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_read_timeout 60s;
    }
}