Ideally the presence of the `WALE_GPG_KEY_ID` env var should enable encrypted backups https://github.com/wal-e/wal-e#encryption.
Put differently to be a "successor" it needs to be a drop in replacement ;)
Put differently to be a "successor" it needs to be a drop in replacement ;)
The RSA keys (or path to them) would be passed as environment variables. It would be a little easier to setup than gpg (especially for automatic backup restoration).