AWS Log Files

For AWS specific logging services, please refer to the following documentation:

Amazon CloudWatch
The Amazon CloudWatch Logs service allows you to collect and store logs from your resources, applications, and services in near real-time.

Additional Logging
For further information on Amazon CloudWatch Logs, Amazon S3 Logs, and logs sent to Kinesis Data Firehose, please see:

Common Services

AWS Lambda
https://docs.aws.amazon.com/lambda/latest/dg/monitoring-cloudwatchlogs.html

Amazon EC2
https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Install-CloudWatch-Agent.html