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File Uploads
You can upload files via the React form using an input prop of file. The file component supports multiple file uploads using a drag & drop interface.
Uploads are handled on the server using multer and stored in the /uploads directory.
There is a utility API endpoint you can use for uploading files.
/api/utility/upload
Alternatively, if you want to upload a file to another endpoint you'll need to use the multer middleware in the same manner as the utility endpoint.
const multer = require('multer');
const upload = multer({ dest: 'uploads' });
api.post('/api/utility/upload', upload.any(), use(utilityController.upload));

Gravity includes a model for interacting with S3, so you can manage your S3 buckets and files in a few lines of code.
// list the buckets
await s3.bucket();
// list the items in the bucket
await s3.bucket.items(bucketName);
// create a new bucket
await s3.bucket.create(bucketName);
// delete a bucket
await s3.bucket.delete(bucketName);
// upload a file
await s3.upload(bucketName, file);
// delete a file
await s3.delete(bucketName, file);
// get a signed url for a file
await s3.signedURL(bucketName, fileName, expires);
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