the.com/faas
the cloud runs your code for a few milliseconds and then pretends it never met you.
means function-as-a-service: a cloud model where you upload a single function and the provider handles servers, scaling, and billing per execution.
from emerged around 2014 with aws lambda, riding the broader as-a-service wave that already gave us iaas and paas — this time slicing the abstraction down to a single function call.
cold startfirst call after idle time runs slower
pricing unitbilled per millisecond of execution
statelessnessfunctions forget everything between invocations
origin productaws lambda launched the category in 2014