...
You can skip "rclone config" by using this template.
[caringo]
type=s3
region = other-v2-signature
access_key_id=${S3_ACCESS_KEY}
secret_access_key=${S3_SECRET_KEY}
endpoint=${S3_PROTOCOL}://${DOMAIN}:${S3_PORT}
location_constraint=
part_size=52428800
...