diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 445d2e6..d050974 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -7,6 +7,7 @@
   "postStartCommand": "bash .devcontainer/post-install.sh",
   "mounts": [
     "source=${localEnv:HOME},target=/workspaces/home,type=bind",
+    // Make sure you aws credentials are saved at ~/.aws
     "source=${localEnv:HOME}/.aws/,target=/home/vscode/.aws/,type=bind"
   ],
   "customizations": {
diff --git a/deployment/lambda.tf b/deployment/lambda.tf
index 6903652..dc24055 100644
--- a/deployment/lambda.tf
+++ b/deployment/lambda.tf
@@ -1,11 +1,9 @@
-provider "aws" {
-  region = "us-east-1" # Change if needed
-}
-
+# Create an SQS queue that will trigger the Lambda
 resource "aws_sqs_queue" "my_queue" {
   name = "my-lambda-queue"
 }
 
+# IAM role that the Lambda function will assume to get permissions
 resource "aws_iam_role" "lambda_exec_role" {
   name = "lambda-exec-role"
 
@@ -23,20 +21,25 @@ resource "aws_iam_role" "lambda_exec_role" {
   })
 }
 
+# Attach the basic execution policy (writes logs to CloudWatch) to the Lambda role
 resource "aws_iam_role_policy_attachment" "lambda_basic_execution" {
   role       = aws_iam_role.lambda_exec_role.name
   policy_arn = "arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"
 }
 
+# Give Lambda permission to poll and process SQS messages
 resource "aws_iam_role_policy_attachment" "sqs_access" {
   role       = aws_iam_role.lambda_exec_role.name
   policy_arn = "arn:aws:iam::aws:policy/AWSLambdaSQSQueueExecutionRole"
 }
 
+
+# Create an ECR repository to store the Docker image for the Lambda function
 resource "aws_ecr_repository" "lambda_repo" {
   name = "lambda-hello-world"
 }
 
+# Define the Lambda function using a Docker image from ECR
 resource "aws_lambda_function" "lambda_docker" {
   function_name = "docker-hello-world"
   role          = aws_iam_role.lambda_exec_role.arn
@@ -46,6 +49,7 @@ resource "aws_lambda_function" "lambda_docker" {
   timeout = 10
 }
 
+# Connect the SQS queue to the Lambda so it gets triggered by incoming messages
 resource "aws_lambda_event_source_mapping" "sqs_trigger" {
   event_source_arn = aws_sqs_queue.my_queue.arn
   function_name    = aws_lambda_function.lambda_docker.arn