limit_req_zone $binary_remote_addr zone=cangku_bootstrap_limit:10m rate=5r/m;

server {
    listen 8443 ssl;
    listen [::]:8443 ssl;
    server_name ck.yydd.ai;

    ssl_certificate /etc/letsencrypt/live/ck.yydd.ai/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/ck.yydd.ai/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
    ssl_session_tickets off;

    add_header Cache-Control "no-store" always;
    add_header X-Content-Type-Options nosniff always;
    client_max_body_size 16k;

    location = /health {
        proxy_pass http://127.0.0.1:4092;
        proxy_set_header Host $host;
    }

    location = /v1/enroll {
        limit_req zone=cangku_bootstrap_limit burst=3 nodelay;
        proxy_pass http://127.0.0.1:4092;
        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 https;
        proxy_read_timeout 20s;
    }

    location / {
        return 404;
    }
}