feat(serverless): add note on http redirection for containers (#4022)

* feat(serverless): add note on http redirection

* docs(srv): review and update doc on HTTPS redirection

---------

Co-authored-by: SamyOubouaziz <[email protected]>

Author: cyclimse

serverless/containers/how-to/secure-a-container.mdx

@@ -31,7 +31,7 @@ Instead of using environment variables (which are stored in clear text) for your
 ### Configure secrets from the Scaleway console
 
 1. Click **Containers** in the **Serverless** section of the side menu. The containers page displays.
-2. Click the relevant container namespace.
+2. Click the relevant Containers namespace.
 3. Click the name of the container for which you want to define secrets.
 4. Click the **Deployment** tab.
 5. Scroll to the **Secrets** section of the page and click **Add secret**. Enter the key and value for your secret. Repeat for additional secrets.
@@ -94,11 +94,25 @@ curl -H "X-Auth-Token: <YOUR_CONTAINER_TOKEN>" <YOUR_CONTAINER_ENDPOINT>
 
 Refer to the [How to create an authentication token](/serverless/containers/how-to/create-auth-token-from-console/) documentation for more information.
 
-### Restrict access using Terraform
+## Redirect HTTP to HTTPS
+
+If you do not want to expose your container over HTTP, you can enable the HTTP to HTTPS redirection to ensure that all traffic follows a secure path.
+
+### Configure redirection using the Scaleway console
+
+1. Click **Containers** in the **Serverless** section of the side menu of the Scaleway console. The Containers page displays.
+2. Click the relevant Containers namespace.
+3. Click the name of the container for which you want to enable the redirection.
+4. Click the **Security** tab.
+5. Toggle the **HTTPS connections only** switch to **On**.
+
+Incoming HTTP traffic is now redirected to HTTPS.
+
+### Configure redirection using the Serverless framework
 
-Set `privacy = "private"` in your Terraform [resource description](https://registry.terraform.io/providers/scaleway/scaleway/latest/docs/resources/container).
+To redirect HTTP traffic to HTTPS using the Serverless Framework, add the `httpOption: redirected` option to your container's description.
 
-You can generate access credentials to inject in other applications, such as containers and functions, directly from Terraform using the [container_token resource](https://registry.terraform.io/providers/scaleway/scaleway/latest/docs/resources/container_token).
+Refer to our [dedicated repository](https://github.com/scaleway/serverless-scaleway-functions/?tab=readme-ov-file#container-specific-configuration) for more information on container configuration using the Serverless Framework.
 
 ## Set up alerts in Observability Cockpit (upcoming feature)