Today I learned about aws named profiles.
They are defined as follows:
[user1]
aws_access_key_id=AKIAI44QH8DHBEXAMPLE
aws_secret_access_key=je7MtGbClwBF/2Zp9Utk/h3yCo8nvbEXAMPLEKEY
and used as follows
aws ec2 describe-instances --profile user1
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