PATCH Endpoint

PATCH /update-metadata

Overview

Update the tags or description associated with an existing image.

Prerequisites

• Valid JWT token
• Request body must include:
  • userId
  • imageId
  • tags

Implementation / Steps

1. Parse and validate the request body.
2. Identify the target item using userId and imageId.
3. Update the tags attribute in DynamoDB.
4. Return a success response.

Key Takeaways

• Tags are fully replaced, not appended.
• Invalid payloads result in a 400 error.