https://twitter.com/grailsframework/status/1195426349814632449 Updated to Grails 4 - How to upload a file with Grails 4. Learn how to upload files with Grails 4; transfer them to a folder, save them as byte[] in the database or upload them to AWS S3. https://t.co/chAx1N9tAp #grailsframework #groovylang #Micronaut #database #AWS https://t.co/kLGcxWEvfj Twitter