server {
    listen 443 ssl;
    http2 on;
    server_name ops.wbd-rd.nl;

    ssl_certificate     /etc/letsencrypt/live/infra/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/infra/privkey.pem;

    location / {
        # Portainer CE 2.x exposes HTTPS only (self-signed cert inside the container)
        proxy_pass https://portainer:9443;
        proxy_ssl_verify off;

        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;

        proxy_http_version 1.1;
        proxy_set_header   Upgrade    $http_upgrade;
        proxy_set_header   Connection "upgrade";
    }
}