Merge pull request #2609 from CpuID/cpuid_ecs_task_definition_docs

Updated docs for aws_ecs_task_definition, to avoid confusion.

website/source/docs/providers/aws/r/ecs_task_definition.html.markdown

@@ -24,12 +24,34 @@ resource "aws_ecs_task_definition" "jenkins" {
 }
 ```
 
+### task-definitions/jenkins.json
+
+The below would be passed into the `container_definitions` attribute. This is a small subset of the available parameters, see the [AWS docs](http://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html) for a full list.
+
+```
+[
+ {
+ "name": "jenkins",
+ "image": "jenkins",
+ "cpu": 10,
+ "memory": 500,
+ "essential": true,
+ "portMappings": [
+ {
+ "containerPort": 80,
+ "hostPort": 80
+ }
+ ]
+ }
+]
+```
+
 ## Argument Reference
 
 The following arguments are supported:
 
 * `family` - (Required) The family, unique name for your task definition.
-* `container_definitions` - (Required) A list of container definitions in JSON format. See [AWS docs](http://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_defintions.html) for syntax.
+* `container_definitions` - (Required) A list of container definitions in JSON format. See [AWS docs](http://docs.aws.amazon.com/AmazonECS/latest/developerguide/create-task-definition.html) for syntax. Note, you only need the containerDefinitions array, not the parent hash including the family and volumes keys.
 * `volume` - (Optional) A volume block. Volumes documented below.
 
 Volumes support the following: