HTTPリバースプロキシの設定またはゲートウェイ経由でのLangBotへのアクセス

your.domain.com {
        reverse_proxy 127.0.0.1:5300
}

sudo apt update
sudo apt install nginx

sudo apt install certbot python3-certbot-nginx
sudo certbot --nginx

# WebSocket接続アップグレードマッピング(serverブロックの外側に配置)
map $http_upgrade $connection_upgrade {
    default upgrade;
    '' close;
}

server {
    listen 80;
    server_name your.domain.com;
    # HTTPトラフィックをHTTPSにリダイレクト
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    server_name your.domain.com;

    ssl_certificate /etc/letsencrypt/live/your.domain.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/your.domain.com/privkey.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;

    # LangBotインスタンスへのリバースプロキシ
    location / {
        proxy_pass http://127.0.0.1:5300;
        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;

        # WebSocketサポート
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_read_timeout 86400;
    }
}

sudo ln -s /etc/nginx/sites-available/langbot /etc/nginx/sites-enabled/langbot
sudo nginx -t
sudo systemctl reload nginx