Update docker install info

docs/2.installation.md

@@ -61,18 +61,17 @@ The package will:
 3. **Start the container**:
      ```shell
      docker run -d --name skydb \
-        -v /home/docker-containers/skytable:/var/skytable \
+        -v /home/docker-containers/skytable:/var/lib/skytable \
         -p 2003:2003 \
-        -e SKYDB_AUTH_ROOT_PASSWORD=<your root password> \
-        -e SKYDB_AUTH_PLUGIN=pwd skytable/skytable:latest
+        skytable/skytable:latest
      ```
      **Replace with your own secure password!**
 
      Explanation:
      - This starts a container with name `skydb`
      - It maps the folder (as discussed earlier) `/home/docker-containers/skytable` from your local file system to `/var/skytable` (in the container's file system)
      - Maps port `2003` on the host to the containers port `2003` so that you can use the command-line client `skysh` without having to inspect the container's IP address
-     - Set's some basic configuration:
-       - `SKYDB_AUTH_ROOT_PASSWORD`: sets the root password. you can't use Skytable without a `root` account
-       - `SKYDB_AUTH_PLUGIN`: this sets the authentication plugin to `pwd` which is the simplest authentication plugin
-
+:::tip
+The password for the Skytable instance on the Docker container is auto-generated Run `docker logs -f skydb` and you'll see a log
+message with the generated password.
+:::