Configuring S3 Manager with MinIO

In case of using MinIo it is necessary that the server does not have the region established through the environment variable MINIO_REGION. If you have established it through the web console, it will be necessary to change it to us-east-1, because with other region identifiers the app will show a 400 error message when trying to access. In order to use the PDF reader it will be necessary to establish a CORS policy that allows access to chosen pdf.js endpoint. This can be done using the MINIO_API_CORS_ALLOW_ORIGIN environment variable.