Object storage is a popular choice for storing unstructured data and in a few cases structured data in the cloud. We do discourage the use of generic cloud but if you want to minimize the risk of cloud stickiness for object storage, we've found MinIO quite helpful. With an S3-compatible API layer, MinIO abstracts object storage across cloud providers, including AWS, Azure and Google Cloud Platform (GCP), and we've used it successfully in products with flexible target infrastructures from data centers to cloud providers.