Once you have localstack up + running (eg. from docker image/docker-compose) - make sure to get CLI for local (pip install awscli-local)
Handy ones:
awslocal sqs list-queuesawslocal s3 lsDebug of SQS queues
queueUrl=$(awslocal sqs get-queue-url --queue-name twoapp-messages-eu-central-1 --output text)awslocal sqs send-message --queue-url $queueUrl --message-body 'payload' --message-attributes '{ "TraceId": {"DataType":"String","StringValue":"abc-123"}, "Priority": {"DataType":"Number","StringValue":"5"}}'awslocal sqs receive-message --queue-url=$queueUrl --max-number-of-messages 10