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_buffering on; proxy_buffer_size 128k; proxy_buffers 256 16k; proxy_busy_buffers_size 256k; proxy_temp_file_write_size 256k; proxy_max_temp_file_size 0; proxy_read_timeout 3000; proxy_send_timeout 3000;