server {
    listen [::]:8803 ipv6only=off;
    listen [::]:8403 ssl http2 ipv6only=off;

    access_log /var/log/nginx/ckan.access.log;
    error_log /var/log/nginx/ckan.error.log;

    location / {
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Host $host:$server_port;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_pass http://127.0.0.1:8003;
    }
}