# Place the map in nginx's http {} context.
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name overlord.example.com;

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

    # Keep this at least as large as the uploads allowed by Overlord.
    client_max_body_size 2g;

    location / {
        proxy_pass http://127.0.0.1:5173;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_read_timeout 300s;
        proxy_send_timeout 300s;
        proxy_buffering off;
    }
}