Lambda functions are the core operating parts of a serverless architecture. They contain the code which is supposed to be executed. These functions are executed whenever the trigger attached to it has been set off. We have already learned about some of the most popular Lambda triggers in the previous section.
Whenever a Lambda function is triggered, it creates a container with the respective settings set by the user. We'll learn more about the container in our next section.
The spinning up of containers takes a bit of time, which may result in a latency whenever a fresh invocation of a Lambda function is done, as it takes time to set up the environment and bootstrap the settings mentioned by the user in the Advanced settings tab. So, to overcome this latency, AWS thaws a container for some time for reuse in case of another Lambda invocation within the thawing...
