Update

Author: viren-nadkarni

content/en/user-guide/aws/codepipeline/index.md

@@ -11,21 +11,39 @@ tags: ["Pro image"]
 CodePipeline is a continuous integration/continuous delivery (CI/CD) service offered by AWS.
 CodePipeline can be used to create automated pipelines that handle the build, test and deployment of software.
 
-With LocalStack, you can ...
-
+With LocalStack, you can create, manage and execute pipelines.
+CodePipeline on LocalStack support a variety of actions that integrate with S3, CodeBuild and CodeConnections.
 
 ## Getting Started
 
 
+
 ## Actions
 
-LocalStack supports following actions
+CodePipeline on LocalStack supports the following actions:
+
+### S3 Source
+
+The [S3 Source](https://docs.aws.amazon.com/codepipeline/latest/userguide/action-reference-S3.html) action is used to specify an S3 bucket object as input to the pipeline.
+
+### S3 Deploy
+
+The [S3 Deploy](https://docs.aws.amazon.com/codepipeline/latest/userguide/action-reference-S3Deploy.html) action is used to upload artifacts to a given S3 bucket as the output of the pipeline.
+
+### CodeConnections Source
+
+The [CodeConnections Source](https://docs.aws.amazon.com/codepipeline/latest/userguide/action-reference-CodestarConnectionSource.html) action is used to specify a VCS repo as the input to the pipeline.
+
+Currently LocalStack supports integration with [GitHub](https://github.com/).
+Please set the environment configuration option `CODEPIPELINE_GH_TOKEN` with the GitHub Personal Access Token to be able to fetch private repositories.
+
+### CodeBuild Source and Test
 
-| Type | Name |
-| ---- | ---- |
-| Source | [Amazon S3](https://docs.aws.amazon.com/codepipeline/latest/userguide/action-reference-S3.html) |
+The [CodeBuild Source and Test](https://docs.aws.amazon.com/codepipeline/latest/userguide/action-reference-CodeBuild.html) action can be used to start a CodeBuild container and run the given buildspec.
 
 ## Limitations
 
-- [V2 pipeline types](https://docs.aws.amazon.com/codepipeline/latest/userguide/pipeline-types-planning.html) are not supported
-- [Rollbacks and stage retries](https://docs.aws.amazon.com/codepipeline/latest/userguide/pipelines-stages.html) is not available
+- [V2 pipeline types](https://docs.aws.amazon.com/codepipeline/latest/userguide/pipeline-types-planning.html) are not supported.
+- [Rollbacks and stage retries](https://docs.aws.amazon.com/codepipeline/latest/userguide/pipelines-stages.html) are not available.
+- [Triggers](https://docs.aws.amazon.com/codepipeline/latest/userguide/pipelines-triggers.html) are not implemented.
+  Pipelines are executed only when [CreatePipeline](https://docs.aws.amazon.com/codepipeline/latest/APIReference/API_CreatePipeline.html) and [StartPipelineExecution](https://docs.aws.amazon.com/codepipeline/latest/APIReference/API_StartPipelineExecution.html) are invoked.