Dec. 2023 tutorial on file upload directly from the client to S3 compatible bucket from LiveView. Mostly it reiterates the official docs, but also adds what’s missing in the docs: what to do with the link for uploaded file.

https://dev.to/azyzz/file-upload-to-aws-s3-or-s3-compatible-bucket-digitalocean-spaces-from-phoenix-liveview-using-elixir-3eof