add notes for sudoless docker

Author: khatwanimohit

docs/run_maxtext/run_maxtext_via_pathways.md

@@ -37,6 +37,8 @@ Before you can run a MaxText workload, you must complete the following setup ste
 
 3. **Build and upload a MaxText Docker image** to your project's Artifact Registry.
 
+   [Follow the steps to configure sudoless Docker](https://docs.docker.com/engine/install/linux-postinstall/) before running the commands below.
+
    Step 1: Build the Docker image for a TPU device. This image contains MaxText and its dependencies.
 
    ```shell

docs/run_maxtext/run_maxtext_via_xpk.md

@@ -51,7 +51,7 @@ Before you begin, you must have the necessary tools installed and permissions co
 
 - **kubectl:** The Kubernetes command-line tool.
 
-- **Docker:** Follow the [installation instructions](https://docs.docker.com/engine/install/) and complete the [post-install steps](https://docs.docker.com/engine/install/linux-postinstall/) to run Docker without `sudo`.
+- **Docker:** Follow the [installation instructions](https://docs.docker.com/engine/install/) and [follow the steps to configure sudoless Docker](https://docs.docker.com/engine/install/linux-postinstall/).
 
 ### GCP permissions
 
@@ -118,6 +118,10 @@ ______________________________________________________________________
 
 ## 4. Build the MaxText Docker image
 
+```{note}
+Ensure Docker is configured for sudoless use before running the build script. Follow the steps to [configure sudoless Docker](https://docs.docker.com/engine/install/linux-postinstall/).
+```
+
 1. **Clone the MaxText repository**
 
    ```

docs/tutorials/posttraining/rl_on_multi_host.md

@@ -60,6 +60,7 @@ Before starting, ensure you have:
 - Permissions for Google Artifact Registry (Artifact Registry Writer role).
 - XPK installed (follow [official documentation](https://github.com/AI-Hypercomputer/xpk/blob/main/docs/installation.md)).
 - A Pathways-ready GKE cluster (see [create GKE cluster](https://docs.cloud.google.com/ai-hypercomputer/docs/workloads/pathways-on-cloud/create-gke-cluster)).
+- **Docker** installed and configured for sudoless use. Follow the steps to [configure sudoless Docker](https://docs.docker.com/engine/install/linux-postinstall/).
 
 ## Setup Environment Variables
 
@@ -106,7 +107,9 @@ export MAXTEXT_CKPT_PATH=<gcs path for MaxText checkpoint> # e.g., gs://my-bucke
 
 ## Build and upload MaxText Docker image with post-training dependencies
 
-Before building the Docker image, authenticate to
+Before building the Docker image, follow the steps to [configure sudoless Docker](https://docs.docker.com/engine/install/linux-postinstall/).
+
+Then, authenticate to
 [Google Artifact Registry](https://docs.cloud.google.com/artifact-registry/docs/docker/authentication#gcloud-helper)
 for permission to push your images and other access.
 

docs/tutorials/posttraining/sft_on_multi_host.md

@@ -37,7 +37,7 @@ cd maxtext
 
 ### 1.2. Build MaxText Docker image
 
-Before building the Docker image, authenticate to [Google Artifact Registry](https://docs.cloud.google.com/artifact-registry/docs/docker/authentication#gcloud-helper) for permission to push your images and other access.
+Before building the Docker image, follow the steps to [configure sudoless Docker](https://docs.docker.com/engine/install/linux-postinstall/). Then, authenticate to [Google Artifact Registry](https://docs.cloud.google.com/artifact-registry/docs/docker/authentication#gcloud-helper) for permission to push your images and other access.
 
 ```bash
 # Authenticate your user account for gcloud CLI access