Looks like I had SiteSetting.enable_s3_uploads set, which is quite understandably incompatible with not setting SiteSetting.s3_upload_bucket, but it should be handled more gracefully.
「いいね！」 3
Looks like I had SiteSetting.enable_s3_uploads set, which is quite understandably incompatible with not setting SiteSetting.s3_upload_bucket, but it should be handled more gracefully.