10.6LocalStack for AWS Services

# tests/integration/test_aws_services.py
import pytest
from testcontainers.localstack import LocalStackContainer
import boto3

@pytest.fixture(scope="module")
def localstack():
    with LocalStackContainer("localstack/localstack:3.0") as ls:
        yield ls

@pytest.fixture
def dynamodb(localstack):
    client = boto3.client(
        "dynamodb",
        endpoint_url=localstack.get_url(),
        region_name="us-east-1",
        aws_access_key_id="test",
        aws_secret_access_key="test",
    )
    # Create test table
    client.create_table(
        TableName="orders",
        KeySchema=[{"AttributeName": "orderId", "KeyType": "HASH"}],
        AttributeDefinitions=[{"AttributeName": "orderId", "AttributeType": "S"}],
        BillingMode="PAY_PER_REQUEST",
    )
    return client

def test_dynamodb_put_and_get(dynamodb):
    dynamodb.put_item(
        TableName="orders",
        Item={
            "orderId": {"S": "ORD-TC-001"},
            "status": {"S": "pending"},
            "total": {"N": "99.99"},
        }
    )

    result = dynamodb.get_item(
        TableName="orders",
        Key={"orderId": {"S": "ORD-TC-001"}}
    )
    assert result["Item"]["status"]["S"] == "pending"