Limitations

• You can write a Microservice in Node or Python.
• A Microservice runs as an AWS Lambda function. See What environment do Microservices run in? for the runtimes.
• Each Microservice gets 1024 MB of memory.
• The default execution timeout is 15 minutes.
• The compressed archive (.zip) can be 40 MB at most.

The FAQ has more detail on each limit.