Update sorely out-of-date docs (#183)

docs/config.rst

@@ -32,6 +32,36 @@ Optional settings
           release: '721e41770371db95eee98ca2707686226b993eda'
         }
 
+.. describe:: environment
+
+    Track the environment name inside Sentry.
+
+     .. code-block:: javascript
+
+        {
+          environment: 'staging'
+        }
+
+.. describe:: tags
+
+    Additional tags to assign to each event.
+
+    .. code-block:: javascript
+
+        {
+          tags: {git_commit: 'c0deb10c4'}
+        }
+
+.. describe:: extra
+
+    Arbitrary data to associate with the event.
+
+    .. code-block:: javascript
+
+        {
+            extra: {planet: {name: 'Earth'}}
+        }
+
 .. describe:: dataCallback
 
     A function that allows mutation of the data payload right before being
@@ -41,12 +71,30 @@ Optional settings
 
         {
             dataCallback: function(data) {
-                // remove references to the environment
-                delete data.request.env;
+                // add a user context
+                data.user = {
+                    id: 1337,
+                    name: 'janedoe',
+                    email: 'janedoe@example.com'
+                };
                 return data;
             }
         }
 
+.. describe:: transport
+
+    Override the default HTTP data transport handler.
+
+    .. code-block:: javascript
+
+        {
+            transport: function (options) {
+                // send data
+            }
+        }
+
+    Please see the raven-node source code to see [how transports are implemented](https://github.com/getsentry/raven-node/blob/master/lib/transports.js).
+
 Environment Variables
 ---------------------
 
@@ -61,3 +109,7 @@ Environment Variables
 .. describe:: SENTRY_RELEASE
 
     Optionally set the application release version for the client to use, this is usually a Git SHA hash.
+
+.. describe:: SENTRY_ENVIRONMENT
+
+    Optionally set the environment name, e.g. "staging", "production".