Gst registration for food business

I have my own website through which I am starting to sell fast food and tiffin delivery services...
(i.e. preparation of food and delivery of food by us through our own website)

In that which type of registration is required...??

option 1
Taxpayer + Selling through e-commerce website

option 2
Taxpayer + e-commerce operator


kindly guide on this.
also guide gst rates.