harmonia: updates to port sharing (#21002)

Fixes to the port-forwarding and port-sharing examples

content/manuals/harmonia/_index.md

@@ -82,7 +82,7 @@ You should see the following:
    $ docker run -d -p 8080:80 nginx
    ```
    This maps the container's port `80` to the host's port `8080`. If port `8080` is already in use on your host, you can specify a different port.
-2. View the Nginx welcome page. Navigate to [`http://localhost/`](http://localhost/).
+2. View the Nginx welcome page. Navigate to [`http://localhost:8080/`](http://localhost:8080/).
 3. Verify the running container:
    - In the **Containers** tab in the Docker Dashboard, you should see your Nginx container listed. 
    - Alternatively, list all running containers in the cloud engine via the terminal:
@@ -170,14 +170,10 @@ Project Harmonia takes advantage of [Synchronized file shares](/manuals/desktop/
 {{< tab name="Docker Desktop">}}
 
 1. Make sure your Docker context is set to `cloudengine`. 
-2. In your terminal, run the Nginx container:
-   ```console
-   $ docker run -d -p 8080:80 nginx
-   ```
-3. In the Docker Dashboard, navigate to the **Containers** view. 
-4. Select the **lock** icon in the **Ports** column of your running container. 
+2. In the Docker Dashboard, navigate to the **Containers** view. 
+3. Select the **lock** icon in the **Ports** column of your running container next to `3000:3000`. 
    This creates a publicly accessible URL that you can share with teammates. 
-5. Select the **copy** icon, to copy this URL. 
+4. Select the **copy** icon, to copy this URL. 
 
 To view all shared ports for your Docker context, select the **Shared ports** icon in the bottom-right corner of the Docker Dashboard.