Web UI cannot get data from Core about cytomine-web-ui HOT 2 CLOSED

	server {
		client_max_body_size 0;
		listen       80;
		server_name  localhost-core;

		#charset koi8-r;
		#access_log  logs/host.access.log  main;

		set $cors_origin "";
		set $cors_cred   "";
		set $cors_header "";
		set $cors_method "";

		if ($http_origin ~* "localhost") {
			set $cors_origin $http_origin;
			set $cors_cred   true;
			set $cors_method 'GET, PUT, POST, DELETE, OPTIONS';
			set $cors_header 'Content-Type, Content-Range, Content-Length, Content-Disposition, Content-Description, Cache-Control, Date, dateFull, authorization, content-type-full, X-Requested-With, Pragma';
		}

		location / {
			proxy_set_header X-Real-IP $remote_addr;
			proxy_set_header Host $host;
			proxy_pass http://core:8080;

			add_header Access-Control-Allow-Origin      $cors_origin always;
			add_header Access-Control-Allow-Credentials $cors_cred always;
			add_header Access-Control-Allow-Headers     $cors_header always;
			add_header Access-Control-Allow-Methods     $cors_method always;
			add_header Cache-Control 'no-cache';

			if ($request_method = 'OPTIONS') {
				add_header Access-Control-Allow-Origin		$cors_origin always;
				add_header Access-Control-Allow-Credentials 	$cors_cred always;
				add_header Access-Control-Allow-Headers		$cors_header always;
				add_header Access-Control-Allow-Methods 	$cors_method always;
				add_header 'Access-Control-Max-Age' 		1728000;
				add_header 'Content-Type' 			'text/plain charset=UTF-8';
				add_header 'Content-Length' 			0;
				return 204;
			}
		}
	}