## start server www.abc.com
        server {
                server_name www.abc.com ;

                listen 80  ;
                listen [::]:80  ;
                listen 443  ssl http2 ;
                listen [::]:443  ssl http2 ;

                set $proxy_upstream_name "-";

                # PEM sha: c24ba9e405ed77662c0fd7546a908ef45ca76066
                ssl_certificate                         /etc/ingress-controller/ssl/default-fake-certificate.pem;
                ssl_certificate_key                     /etc/ingress-controller/ssl/default-fake-certificate.pem;

                ssl_certificate_by_lua_block {
                        certificate.call()
                }

                location ~* "^/" {

                        set $namespace      "saas";
                        set $ingress_name   "hello-world-ingress";
                        set $service_name   "hello-world";
                set $service_port   "{0 9001 }";
                        set $location_path  "/";

                        rewrite_by_lua_block {
                                lua_ingress.rewrite({
                                        force_ssl_redirect = true,
                                        use_port_in_redirects = false,
                                })
                                balancer.rewrite()
                                plugins.run()
                        }

                        header_filter_by_lua_block {

                                plugins.run()
                        }
                        body_filter_by_lua_block {

                        }

                        log_by_lua_block {

                                balancer.log()

                                monitor.call()

                                plugins.run()
                        }

                        if ($scheme = https) {
                                more_set_headers                        "Strict-Transport-Security: max-age=15724800; includeSubDomains";
                        }

                        port_in_redirect off;

                        set $balancer_ewma_score -1;
                        set $proxy_upstream_name    "saas-hello-world-9001";
                        set $proxy_host             $proxy_upstream_name;
                        set $pass_access_scheme $scheme;
                        set $pass_server_port $server_port;
                        set $best_http_host $http_host;
                        set $pass_port $pass_server_port;

                        set $proxy_alternative_upstream_name "";

                        client_max_body_size                    1m;

                        proxy_set_header Host                   $best_http_host;

                        # Pass the extracted client certificate to the backend

                        # Allow websocket connections
                        proxy_set_header                        Upgrade           $http_upgrade;

                        proxy_set_header                        Connection        $connection_upgrade;

                        proxy_set_header X-Request-ID           $req_id;
                        proxy_set_header X-Real-IP              $the_real_ip;

                        proxy_set_header X-Forwarded-For        $the_real_ip;

                        proxy_set_header X-Forwarded-Host       $best_http_host;
                        proxy_set_header X-Forwarded-Port       $pass_port;
                        proxy_set_header X-Forwarded-Proto      $pass_access_scheme;

                        proxy_set_header X-Original-URI         $request_uri;

                        proxy_set_header X-Scheme               $pass_access_scheme;

                        # Pass the original X-Forwarded-For
                        proxy_set_header X-Original-Forwarded-For $http_x_forwarded_for;

                        # mitigate HTTPoxy Vulnerability
                        # //www.nginx.com/blog/mitigating-the-httpoxy-vulnerability-with-nginx/
                        proxy_set_header Proxy                  "";

                        # Custom headers to proxied server

                        proxy_connect_timeout                   5s;
                        proxy_send_timeout                      60s;
                        proxy_read_timeout                      60s;

                        proxy_buffering                         off;
                        proxy_buffer_size                       4k;
                        proxy_buffers                           4 4k;
                        proxy_request_buffering                 on;
                        proxy_http_version                      1.1;

                        proxy_cookie_domain                     off;
                        proxy_cookie_path                       off;

                        # In case of errors try the next upstream server before returning an error
                        proxy_next_upstream                     error timeout;
                        proxy_next_upstream_timeout             0;
                        proxy_next_upstream_tries               3;

                        proxy_pass //upstream_balancer;

                        proxy_redirect                          off;

                }

        }
        ## end server www.abc.com