# nginx server block. Use certbot (Let's Encrypt) for the TLS certificate.
# The key detail is the Upgrade/Connection headers so /ws WebSockets pass through.

map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

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

    ssl_certificate     /etc/letsencrypt/live/scoreboard.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/scoreboard.example.com/privkey.pem;

    client_max_body_size 6m; # allow logo uploads

    location / {
        proxy_pass http://127.0.0.1:3000;
        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-Proto $scheme;
        # WebSocket upgrade (covers /ws)
        proxy_set_header Upgrade    $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_read_timeout 1h;
    }
}

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