fix: add v2 v3 docker pull steps (#786)

* fix: add v2 v3 docker pull steps

* fix: fix variable anme

* fix: clarification

---------

Co-authored-by: Alan Dooley <[email protected]>

Author: JTorreG

content/nginx-one/connect-instances/connect-nginx-plus-container-images-to-nginx-one.md

@@ -42,13 +42,13 @@ sudo docker login private-registry.nginx.com --username=YOUR_JWT_HERE --password
 
 ### Pull the NGINX Plus image
 
-Pull the NGINX Plus image from the private registry. Replace `VERSION_TAG` with the desired version, such as `alpine`, `debian`, or `ubi`.
+Pull the NGINX Plus image from the private registry. Replace `<version-tag>` with the desired version, such as `alpine`, `debian`, or `ubi`.
 
 ```sh
-sudo docker pull private-registry.nginx.com/nginx-plus/agent:VERSION_TAG
+docker pull private-registry.nginx.com/nginx-plus/agentv3:<version-tag>
 ```
 
-You must specify a version tag. The `latest` tag is not supported. Learn more in the [Deploying NGINX and NGINX Plus on Docker]({{< ref "/nginx/admin-guide/installing-nginx/installing-nginx-docker.md#pull-the-image" >}}) guide.
+You must specify a version tag that matches your distribution. The `latest` tag is not supported. Learn more in the [Deploying NGINX and NGINX Plus on Docker]({{< ref "/nginx/admin-guide/installing-nginx/installing-nginx-docker.md#pull-the-image" >}}) guide.
 
 <br>
 
@@ -62,7 +62,7 @@ sudo docker pull private-registry.nginx.com/nginx-plus/agent:debian
 
 ### Start the NGINX Plus container
 
-Start the Docker container to connect it to NGINX One. Replace `YOUR_NGINX_ONE_DATA_PLANE_KEY_HERE` with your data plane key and `VERSION_TAG` with the version tag you pulled.
+Start the Docker container to connect it to NGINX One. Replace `YOUR_NGINX_ONE_DATA_PLANE_KEY_HERE` with your data plane key and `version-tag` with the version tag you pulled.
 
 **For NGINX Plus R33 or later**:
 
@@ -79,7 +79,7 @@ sudo docker run \
 --env=NGINX_AGENT_TLS_ENABLE=true \
 --restart=always \
 --runtime=runc \
--d private-registry.nginx.com/nginx-plus/agent:<VERSION_TAG>
+-d private-registry.nginx.com/nginx-plus/agent:<version-tag>
 ```
 
 <br>

content/nginx-one/nginx-configs/config-sync-groups/manage-config-sync-groups.md

@@ -162,14 +162,9 @@ When adding a new NGINX instance that is not yet registered with NGINX One, you
    - From the **OS Type** list, choose the appropriate operating system for your Docker image.
    - After selecting the OS, run the provided command to pull the Docker image.
 
-   **Note**: Subject to availability, you can modify the `agent: <VERSION_TAG>` to match the specific NGINX Plus version, OS type, and OS version you need. For example, you might use `agent: r32-ubi-9`. For more details on version tags and how to pull an image, see [Deploying NGINX and NGINX Plus on Docker]({{< ref "nginx/admin-guide/installing-nginx/installing-nginx-docker.md#pull-the-image" >}}).
+   **Note**: Subject to availability, you can modify the `agentv3:<version-tag>` to match the specific NGINX Plus version, OS type, and OS version you need. For example, you might use `agentv3:r32-ubi-9`. For more details on version tags and how to pull an image, see [Deploying NGINX and NGINX Plus on Docker]({{< ref "nginx/admin-guide/installing-nginx/installing-nginx-docker.md#pull-the-image" >}}).
 
 
-   - From the **OS Type** list, choose the appropriate operating system for your Docker image.
-   - After selecting the OS, run the provided command to pull the Docker image.
-
-   **Note**: Subject to availability, you can modify the `agent: <VERSION_TAG>` to match the specific NGINX Plus version, OS type, and OS version you need. For example, you might use `agent: r32-ubi-9`. For more details on version tags and how to pull an image, see [Deploying NGINX and NGINX Plus on Docker]({{< ref "nginx/admin-guide/installing-nginx/installing-nginx-docker.md#pull-the-image" >}}).
-
 10. Run the provided command, which includes the data plane key, in your NGINX instance terminal to start the Docker container.
 
 11. Select **Done** to complete the process.

content/nginx/admin-guide/installing-nginx/installing-nginx-docker.md

@@ -156,24 +156,36 @@ For NGINX Plus, run:
 docker pull private-registry.nginx.com/nginx-plus/base:<version-tag>
 ```
 
-For NGINX Plus with NGINX Agent, run:
+For NGINX Plus with NGINX Agent version 2, run:
 
 ```shell
 docker pull private-registry.nginx.com/nginx-plus/agent:<version-tag>
 ```
 
+For NGINX Plus with NGINX Agent version 3, run:
+
+```shell
+docker pull private-registry.nginx.com/nginx-plus/agentv3:<version-tag>
+```
+
 For NGINX Plus installed from `nginx` user (rootless installation), run:
 
 ```shell
 docker pull private-registry.nginx.com/nginx-plus/rootless-base:<version-tag>
 ```
 
-For NGINX Plus with NGINX Agent installed from `nginx` user (rootless installation), run:
+For NGINX Plus with NGINX Agent version 2 installed from `nginx` user (rootless installation), run:
 
 ```shell
 docker pull private-registry.nginx.com/nginx-plus/rootless-agent:<version-tag>
 ```
 
+For NGINX Plus with NGINX Agent version 3 installed from `nginx` user (rootless installation), run:
+
+```shell
+docker pull private-registry.nginx.com/nginx-plus/rootless-agentv3:<version-tag>
+```
+
 For NGINX modules, run:<!-- Is this enough info?-->
 
 ```shell