- Introduction about Active Storage.
- Create a new Rails application and CRUD for Post.
- Setup Active Storage + Amazon S3 Service
- Using Active Storage to:
- Upload Images for Post
- Upload a File (PDF or Video) for Post
- Conclusion
More details in Luanotes.com: https://luanotes.com/blogs/how-to-use-active-storage-to-upload-files-to-s3-on-rails