Vue2-Dropzone url endpoint error CORS error HeaderDisallowedByPreflightResponse

Question

i want to using Vue2-Dropzone for uploading multiple image/file. So i following the documentation and this is my options:

      options: {
        url: 'https://httpbin.org/post',
        autoProcessQueue: true,
        // thumbnailWidth: null,
        paramName: 'file',
        maxFilesize: 2,
        // formData: true,
        acceptedFiles: 'image/*', // Allow only image files
        addRemoveLinks: true // Show remove links on uploaded files
      },

but if i use https://httpbin.org/post sometimes (mostly often) there is an error failed. So i've been create endpoint for handle this in GO https://myendpoint.com:9091/image/product, but im facing new error CORS HeaderDisallowedByPreflightResponse. I've allowed the cors and haven't used a bearer or anything else. I've tried in postman and running well. but when i try in localhost or production showing that error.

what should i do in my vue dropzone settings?