Add rustfs documentation

index.rst

@@ -66,6 +66,7 @@ NethServer 8 administrator manual
    dnsmasq
    netdata
    piler
+   rustfs
 
 .. toctree::
    :maxdepth: 2

rustfs.rst

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+.. _rustfs-section:
+
+======
+RustFS
+======
+
+`RustFS <https://rustfs.com/>`_ offers high-performance, S3 compatible object storage.
+
+You can install multiple RustFS instances on the same node from the :ref:`software_center-section`.
+
+Configuration
+=============
+
+Some S3 clients do not correctly support API endpoints exposed under a path prefix. For better compatibility, 
+two distinct server names need to be assigned: one dedicated to the S3 protocol endpoint and another dedicated to the administrative console.
+
+Before proceeding with the configuration, make sure to create the corresponding name records inside your DNS server.
+If you are planning to use a Let's Encrypt certificate as default, make also sure to have corresponding public DNS records.
+
+How to configure:
+
+1. access the application configuration page and enter the ``API server host name``:
+   this will be the FQDN used by hosts to connect to S3 services, e.g. ``s3.example.org``, ``storage.example.org``
+2. fill the ``Web interface host name``: you will be able to configure your
+   RustFS instance from this FQDN, e.g. ``rustfs.example.org``
+3. enable ``Let's Encrypt`` option accordingly to your needs
+4. fill the ``rustfs root user name`` and the ``rustfs root password``: those are the login credentials
+5. click the :guilabel:`Save` button
+6. open the entered host name inside the browser, e.g. ``https://rustfs.example.org``.