foo $AWS_ACCESS_KEY $AWS_SECRET_KEY US_WEST_Oregon Build the foo stack Key1=foo,Key2=fuu 3600 5 foo.json bar $AWS_ACCESS_KEY $AWS_SECRET_KEY US_WEST_Northern_California Build the bar stack Key1=bar,Key2=baa 3600 0 bar.json foo $AWS_ACCESS_KEY $AWS_SECRET_KEY US_WEST_Oregon true bar $AWS_ACCESS_KEY $AWS_SECRET_KEY US_WEST_Northern_California false