With the latest Serverless Framework, it is possible to reuse the existing bucket.

Step-by-step guide

  1. Add the existing: true as follows.

        events:
      - s3:
          bucket: ceres-vrt
          existing: true
          events:
            - s3:ObjectCreated:*
          rules:
            - suffix: .vrt


A complete example is available from src/vrt2geos in SDT repo.