# External Nginx configuration. Put the map block in nginx.conf's http {}
# section only once. Replace 10.0.0.20 with the application server's private IP.
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen 80;
    server_name share.example.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name share.example.com;

    # Replace with your existing certificate paths.
    ssl_certificate     /etc/letsencrypt/live/share.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/share.example.com/privkey.pem;

    location / {
        # This one upstream handles the frontend, API, and LiveKit signalling.
        proxy_pass http://10.0.0.20:8081;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto https;
        proxy_read_timeout 3600s;
    }
}