update docker file

deployment/lambda_example/app.py

@@ -3,9 +3,24 @@ A quick example of lambda working a function in python
 """
 
 def handler(event, context):
-    print("Hello from Python function. This shold be running from a dockerfile env and executed on a aws lambda!")
-    return {
-        'statusCode': 200,
-        'body': 'Hello World'
-    }
+    try:
+        s3_uri = event.get("file_location")
+        if not s3_uri:
+            return {
+                "statusCode": 400,
+                "body": "Missing 'file_location' in event"
+            }
 
+        print(f"s3 uri is {s3_uri}")
+
+        return {
+            "statusCode": 200,
+            "body": f"s3 uri {s3_uri}"
+        }
+
+    except Exception as e:
+        print(f"❌ Error: {e}")
+        return {
+            "statusCode": 500,
+            "body": str(e)
+        }