config.nginx

location /lti {
    proxy_pass http://127.0.0.1:3030;
    proxy_redirect off;

    proxy_read_timeout 60s;

    proxy_set_header Host $http_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_set_header X-Forwarded-Host $http_host;
    proxy_http_version 1.1;

    proxy_headers_hash_max_size 512;
    proxy_headers_hash_bucket_size 128;

    proxy_buffer_size 128k;
    proxy_buffers 4 256k;
    proxy_busy_buffers_size 256k;
}