Is it possible to use firebase and s3 together. I need to store images and firebase can get pricy. Could I use s3 to store to store the images and save the url (from s3) to firebase as a string. And then call the url as needed from firebase?
Also could be the cost associated with this, I know that I would be paying for storage. But are there any cost when an image is loaded from a url (data transfer)?
You can certainly store images in s3 and store the s3 link in firebase. To make your life easy, save them as publicly accessible links so that your site doesn’t need to be authenticated to access them. I’ve stored an image here if you’d like to embedding a public s3 link into your site. Here is some information on setting up a public bucket. Here is some information on making objects public.
There is a small cost to requests to s3, see the pricing overview here.