To access external storage, click the + button between nodes and select Bucket Acccess (S3/GCS).
Select the Provider and provide the Bucket Name. Input an optional secret for private data access. Once the Bucket has been accessed, it can be mounted it to any runtime; use the runtime’s settings panel to specify a mountpoint.
Private data stored in S3 or GCS can be accessed by providing a cryptographic key created by the storage provider. Private data manipulated by Nextjournal disappears when a language runtime is stopped or times out. See Using Secrets for more information.