# 门店主机上的 Nginx 示例；证书同时覆盖两个域名（或拆成两个 server）。
# 店内域名解析到门店局域网地址，公网域名解析到 frps 公网节点。
server {
    listen 443 ssl;
    server_name store-001.lan.your-domain.cn api.your-domain.cn;
    ssl_certificate /etc/nginx/certs/fullchain.pem;
    ssl_certificate_key /etc/nginx/certs/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    client_max_body_size 4m;
    # WS protocol upgrade; heartbeat every 20s keeps the tunnel live.
    location = /api/ws {
        proxy_pass http://127.0.0.1:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $http_host;
        proxy_set_header X-Forwarded-Proto https;
        proxy_read_timeout 75s;
        proxy_send_timeout 10s;
        proxy_buffering off;
    }
    location /api/ {
        proxy_pass http://127.0.0.1:8080;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Proto https;
    }
    location / { proxy_pass http://127.0.0.1:8088; }
}