(DOCSP-23646): Update sharded cluster production image (#1428)

* (DOCSP-23646): Update sharded cluster production image

* clarity

* review feedback

* typo

* fix inaccurate text

Author: jeff-allen-mongo

source/core/sharded-cluster-components.txt

@@ -79,7 +79,12 @@ performance closely as you increase the number of routers. If you see
 performance degradation, it may be beneficial to cap the number of
 :binary:`~bin.mongos` routers in your deployment.
 
-.. include:: /images/sharded-cluster-production-architecture.rst
+The following diagram shows a common sharded cluster architecture used
+in production:
+
+.. image:: /images/sharded-cluster-production-architecture.png
+   :alt: Diagram that shows a production-level sharded cluster
+         containing multiple shards and mongos routers.
 
 Development Configuration
 -------------------------
@@ -88,14 +93,19 @@ For testing and development, you can deploy a sharded cluster with a
 minimum number of components. These **non-production** clusters have the
 following components:
 
-- A replica set :ref:`config server <sharding-config-server>` with one
-  member.
+- One :binary:`~bin.mongos` instance.
 
-- At least one shard as a single-member :term:`replica set`.
+- A single shard :term:`replica set`.
 
-- One :binary:`~bin.mongos` instance.
+- A replica set :ref:`config server <sharding-config-server>`.
+
+
+The following diagram shows a sharded cluster architecture used for
+**development only**:
 
-.. include:: /images/sharded-cluster-test-architecture.rst
+.. image:: /images/sharded-cluster-test-architecture.png
+   :alt: Diagram that shows a development sharded cluster
+         containing a single shard and mongos router.
 
 .. warning:: Use the test cluster architecture for testing and
    development only.