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Hey guys! Is there a way to hand in an endpoint_url to Prefect when using s3 storage? We use a containerized localstack instance for local testing/dev in place of s3.

<@U02AL5T3ERX> perhaps Webhook storage is something for you if you want to define storage via API endpoint? <https://docs.prefect.io/orchestration/execution/storage_options.html#webhook>

but if your goal is to mock S3 for unit tests, perhaps you can look at moto: <https://github.com/spulec/moto>