Lambda function to trigger dependent AWS Batch jobs

service.py

def handler(event, context):
    client = boto3.client('batch', 'us-east-1')

    analyzer_job = client.submit_job(
        jobName='ma-analyzer',
        jobQueue='ma',
        jobDefinition='ma-analyzer:1',
        containerOverrides={
            'command': ['python', 'service.py']
        })

    aggregator_job = client.submit_job(
        jobName='ma-aggregator’,
        jobQueue='ma',
        dependsOn=[
            {
                'jobId': analyzer_job['jobId']
            },
        ],
        jobDefinition='ma-aggregator:1',
        containerOverrides={
            'command': ['python', 'service.py']
        })

    client.submit_job(
        jobName='ma-deploy',
        jobQueue='ma',
        dependsOn=[
            {
                'jobId': aggregator_job['jobId']
            },
        ],
        jobDefinition='ma-deploy:1',
        containerOverrides={
            'command': ['python', 'service.py']
        })