add example for "Pulling a Backup with HTTP over a ssh tunnel"

doc/080_examples.rst

@@ -353,3 +353,56 @@ system.
 
    root@a3e580b6369d:/# sudo -u restic /home/restic/bin/restic --exclude={/dev,/media,/mnt,/proc,/run,/sys,/tmp,/var/tmp} -r /tmp backup /
 
+*****************************************************
+Pulling a Backup with HTTP over a ssh tunnel 
+*****************************************************
+
+This example will show you how to pull a backup from a remote machine via http over a ssh tunnel. 
+
+Motivation
+==========
+
+If you do a backup like this, you do not need a publicly exposed server where the backup can be stored (like a sftp server).
+
+A specific use case for this could be a backup of a cloud server (e.g. VPS) to your local PC.
+
+Running a local restic rest server
+==================================
+
+Install the container image for the `rest server <https://github.com/restic/rest-server>`__:
+
+.. hint:: you can use podman or docker, both should work
+
+.. code-block:: console
+
+   docker pull restic/rest-server:latest
+
+Run container / rest server:
+
+.. code-block:: console
+
+   docker run --rm -e DISABLE_AUTHENTICATION=0 -p 2555:8000 -v /path/to/local/repo:/data --name restic_rest_server restic/rest-server
+
+.. note:: ``-p 2555:8000`` maps the ports from the docker container to the host (``host_port:container_port``)
+
+Create a SSH tunnel to the remote machine
+===========================================
+
+SSH into the Server with http tunneling:
+
+.. code-block:: console
+
+   ssh -R 2555:localhost:2555 user@server_ip
+
+
+.. note:: ``-R 2555:localhost:2555`` (``local_port:localhost:remote_port``) specifies remote port forwarding → forwarding connections from the remote machine to the local machine
+
+
+Run restic on the remote machine
+================================
+
+Then you can use restic through the ssh connection like this
+
+.. code-block:: console
+
+   restic -r rest:http://localhost:2555/ init