January 2019
Intermediate to advanced
460 pages
10h 33m
English
Content preview from Hands-On Full-Stack Web Development with GraphQL and React
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Uploading images to Amazon S3
Implementing file uploads and storing files is always a huge task, especially for image uploads in which the user may want to edit his files again.
For our front end, the user should be able to drag and drop his image into a dropzone, crop the image, and then submit it when he is finished. The back end needs to accept file uploads in general, which is not easy at all. The files must be processed and then stored efficiently, so that all users can access them quickly.
As this is a vast topic, the chapter only covers the basic upload of images from React, using a multipart HTTP post request to our GraphQL API, and then transferring the image to our S3 bucket. When it comes to compressing, converting, and cropping, ...
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