To make restrictions for AWS resource based on role actions
https://docs.aws.amazon.com/AmazonS3/latest/dev/s3-arn-format.html
https://forums.aws.amazon.com/message.jspa?messageID=749601 https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/iam-policies-ec2-console.html
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.IAM.AccessControl.IdentityBased.html https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.IAM.Conditions.html https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.IAM.Conditions.html