DOCSP-16447 localhost connection (#741)

* added information about connecting to localhost

Author: kyuan-mongodb

source/c.txt

@@ -72,10 +72,13 @@ Connect to MongoDB Atlas
       return 0;
    }
 
-
 See `Advanced Connections <http://mongoc.org/libmongoc/current/advanced-connections.html>`__
 for more ways to connect.
 
+Connect to ``localhost``
+------------------------
+
+.. include:: /includes/localhost-connection.rst
 
 Compatibility
 -------------

source/csharp.txt

@@ -65,10 +65,13 @@ Connect to MongoDB Atlas
    );
    var database = client.GetDatabase("test");
 
-
 See `Connecting <https://mongodb.github.io/mongo-csharp-driver/2.12/reference/driver/connecting/>`__
 for more information.
 
+Connect to ``localhost``
+------------------------
+
+.. include:: /includes/localhost-connection.rst
 
 Compatibility
 -------------

source/cxx.txt

@@ -36,7 +36,6 @@ Installation
 
 See `Installing the mongocxx driver <http://mongocxx.org/mongocxx-v3/installation/>`__.
 
-
 Connect to MongoDB Atlas
 ------------------------
 
@@ -57,7 +56,10 @@ Connect to MongoDB Atlas
    };
    mongocxx::database db = conn["test"];
 
+Connect to ``localhost``
+------------------------
 
+.. include:: /includes/localhost-connection.rst
 
 Compatibility
 -------------

source/go.txt

@@ -56,6 +56,11 @@ Connect to MongoDB Atlas
 See `Usage <https://github.com/mongodb/mongo-go-driver#usage>`__
 for more detail.
 
+Connect to ``localhost``
+------------------------
+
+.. include:: /includes/localhost-connection.rst
+
 Compatibility
 -------------
 

source/includes/localhost-connection.rst

@@ -0,0 +1,10 @@
+To connect to a database running locally on its default port, change the
+connection string to ``"mongodb://localhost"``. 
+
+To connect to a database running locally, change the connection string
+to ``"mongodb://localhost:<port>"``.
+
+Your ``mongod`` instance must be running to successfully connect to your
+database. For information on how to start your ``mongod`` instance,
+see the :manual:`Manage mongod Processes
+</tutorial/manage-mongodb-processes/#start-mongod-processes>` Server Manual Entry.

source/motor.txt

@@ -129,6 +129,11 @@ If the connection fails, you should see the following message:
 For more information on the connection string, see the MongoDB Server
 Manual entry on :manual:`Connection String URI Format </reference/connection-string/>`.
 
+Connect to ``localhost``
+------------------------
+
+.. include:: /includes/localhost-connection.rst
+
 Compatibility
 -------------
 

source/php.txt

@@ -111,6 +111,10 @@ Connect to MongoDB Atlas
 
    $db = $client->test;
 
+Connect to ``localhost``
+------------------------
+
+.. include:: /includes/localhost-connection.rst
 
 Compatibility
 -------------

source/pymongo.txt

@@ -99,6 +99,11 @@ If the connection fails, you should see the following message:
 For more information on the connection string, see the MongoDB Server
 Manual entry on :manual:`Connection String URI Format </reference/connection-string/>`.
 
+Connect to ``localhost``
+------------------------
+
+.. include:: /includes/localhost-connection.rst
+
 Compatibility
 -------------
 

source/reactive-streams.txt

@@ -63,6 +63,11 @@ Connect to MongoDB Atlas
 See :java-docs:`Connect to MongoDB <driver-reactive/tutorials/connect-to-mongodb/>`
 for more ways to connect.
 
+Connect to ``localhost``
+------------------------
+
+.. include:: /includes/localhost-connection.rst
+
 Compatibility
 -------------
 

source/rust.txt

@@ -112,6 +112,11 @@ corresponding connection code samples.
              Ok(())
          }
 
+Connect to ``localhost``
+------------------------
+
+.. include:: /includes/localhost-connection.rst
+
 Compatibility
 -------------