📸Users can upload and download photos, as well as browse thumbnails of photo albums.
🔐Pre-signed URLs are used to authenticate and securely upload images directly to the object store.
📊Metadata and image data are stored separately to avoid bandwidth bottlenecks.
🔎Thumbnails are generated to allow users to quickly browse and select photos.
👀Users can view full-size photos and retrieve them from the object store.
How are images uploaded to the object store?
—Users obtain a pre-signed URL from the upload service, which allows them to securely upload the image directly to the object store.
How are thumbnails generated?
—Thumbnails are generated and stored in the metadata database to allow users to quickly browse and select photos.
How are full-size photos retrieved?
—Users can retrieve full-size photos from the object store using their unique identifiers stored in the metadata database.
What is the advantage of separating metadata and image data?
—Separating metadata and image data prevents bandwidth bottlenecks and allows for efficient retrieval and storage of photos.
Is the upload process secure?
—Yes, the use of pre-signed URLs ensures secure image uploads to the object store.
00:00Introduction to designing a photo sharing service
02:30Overview of the upload and storage process for images
05:45Explanation of generating and storing thumbnails for quick browsing
08:15Retrieving and displaying full-size photos
10:30Separating metadata and image data for efficient storage and retrieval
