外網存取

# WebSocket Upgrade 透傳 —— 必須在 http {} context
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen 80;
    listen [::]:80;
    server_name <你的網域>;
    # certbot --nginx 會自動把此區塊改成 301 跳轉 https
    location / {
        proxy_pass http://127.0.0.1:23406;
        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-Host  $host;
        proxy_set_header X-Forwarded-Port  $server_port;
        proxy_set_header X-Forwarded-Proto $scheme;        # ★ 漏了它 HTTPS 部署會登入死循環
        proxy_set_header Upgrade           $http_upgrade;
        proxy_set_header Connection        $connection_upgrade;
        proxy_buffering       off;
        proxy_connect_timeout 60s;
        proxy_send_timeout    1d;
        proxy_read_timeout    1d;
    }
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    server_name <你的網域>;

    ssl_certificate     /etc/letsencrypt/live/<你的網域>/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/<你的網域>/privkey.pem;

    # 錄影匯出、人臉庫批次匯入可能上百 MB;長 JWT cookie 較大防 414
    client_max_body_size        200m;
    client_header_buffer_size   4k;
    large_client_header_buffers 8 16k;

    location / {
        proxy_pass http://127.0.0.1:23406;
        proxy_http_version 1.1;
        # ↓ 與上面 :80 location 完全相同,逐行照抄(proxy_set_header 不繼承)
        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-Host  $host;
        proxy_set_header X-Forwarded-Port  $server_port;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Upgrade           $http_upgrade;
        proxy_set_header Connection        $connection_upgrade;
        proxy_buffering       off;
        proxy_connect_timeout 60s;
        proxy_send_timeout    1d;
        proxy_read_timeout    1d;
    }
}

certbot --nginx -d <你的網域> -m <你的電子郵件> --agree-tos --no-eff-email --redirect

<你的網域> {
    reverse_proxy 127.0.0.1:23406 {
        # Caddy 預設就會傳 X-Forwarded-{For,Proto,Host}
        # 長連線(對講 WS / 事件 SSE / 直播串流)調大 flush + 逾時
        flush_interval -1
        transport http {
            read_timeout  24h
            write_timeout 24h
        }
    }
    request_body {
        max_size 200MB
    }
}

# 1. HTTP→HTTPS 跳轉(反向代理情境)
curl -sSI http://<你的網域>/healthz | head -1      # 預期 301

# 2. 健康檢查
curl -sS https://<你的網域>/healthz                 # 預期 {"code":0,...}

# 3. 未登入時存取受保護的介面
curl -sS -o /dev/null -w '%{http_code}\n' \
     https://<你的網域>/api/cameras                 # 預期 401