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@@ -32,11 +32,16 @@ In this tutorial, we will explore creating a Lambda function using a container i
 
 Before diving into this tutorial, make sure you have the following prerequisites:
 
-- LocalStack Pro
+- [LocalStack Pro](https://localstack.cloud/pricing/)
 - [awslocal](/aws/integrations/aws-native-tools/aws-cli#localstack-aws-cli-awslocal)
 - [Python](https://www.python.org/downloads/)
 - [Docker](https://docker.io/)
 
+## Architecture Diagram
+
+The following diagram shows the architecture that we are going to follow :
+
+![lambda-ecr-container-images-architecture](/images/aws/lambda-ecr-container-images.png)
 ## Creating a Lambda function
 
 To package and deploy a Lambda function as a container image, we'll create a Lambda function containing our code and a Dockerfile.
@@ -243,6 +248,8 @@ Here's an explanation of each flag:
   In the example, a mock role ARN is used.
   For an actual role, please refer to the [IAM documentation](/aws/services/iam).
 
+## Testing the application
+
 To invoke the Lambda function, you can use the `invoke` command:
 
 ```bash