CMS open source feito em Node.
Plugins
Upload
https://docs.strapi.io/dev-docs/plugins/upload
AWS S3: https://strapi.io/blog/how-to-set-up-amazon-s3-upload-provider-plugin-for-our-strapi-app
Google Cloud: https://github.com/strapi-community/strapi-provider-upload-google-cloud-storage